{"title":"Dyeing \u0026 finishing by COLOURLOCK","description":"\u003ch2 id=\"speakable-headline\"\u003eRe-dye leather instead of reupholstering it with the COLOURLOCK dyeing system\u003c\/h2\u003e\n\n\u003cblockquote id=\"speakable-summary\"\u003e\n  \u003cp\u003e\u003cem\u003eWhat is dyeing \u0026amp; finishing by COLOURLOCK? The leather specialist's professional line for a complete colour build-up: primer and barrier coat, opaque leather dye and stabilising filler colour, colour-neutral refreshers for smooth leather and nubuck, top coat from satin-matt to high gloss, and additives that let you set gloss level, feel and abrasion resistance.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\n\u003chr\u003e\n\n\u003cp id=\"speakable-definition\"\u003e\u003cstrong\u003eDyeing \u0026amp; finishing by COLOURLOCK\u003c\/strong\u003e is the line detailers and upholsterers use to dye leather instead of re-covering it. It isn't a range of stand-alone products but a process by the data sheet: degrease, prime, fill, dye, seal with top coat, fine-tune the finish with additives. The line has been developed since 1995 at Lederzentrum, and today the leather specialist is part of Koch-Chemie in Unna.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColour is built up, not painted on.\u003c\/strong\u003e Dyes and top coats are water-based polyurethane dispersions: polymer particles float in water, and as it evaporates they move together and fuse into a continuous, elastic film. A film like that handles stretch in the triple-digit percentage range — enough for a seat base to compress as you climb in. Provided it's laid down in many wafer-thin layers rather than one thick one.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe bases are colourless, the shade comes on top.\u003c\/strong\u003e COLOURLOCK \"Leather Fresh\", COLOURLOCK \"Nubuck Fresh\" (Neutral) and COLOURLOCK \"Binder\" (Neutral) carry no pigments. They provide build, feel and gloss level, while the car's shade comes from the original leather colours mixed to sample. What that means for you: you decide on build and finish first, and only then on colour.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eYou set gloss, feel and hardness yourself.\u003c\/strong\u003e Matting agents, feel additives, thickener and crosslinker all act on the same mix. One to two percent crosslinker in the top coat decides whether the surface can handle wet abrasion, a feel additive whether the seat feels velvety or waxy. How you notice: in the end, the repair doesn't stand out, either to the eye or to the touch.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003cblockquote class=\"praxistipp\"\u003e\n  \u003cp\u003e\u003cstrong\u003eDetailing1's tip from the shop:\u003c\/strong\u003e It's not the shade that gives a dye job away, it's the gloss level. We regularly get questions about re-dyed side bolsters that look greasy-shiny under raking light while the rest of the seat stays satin-matt — the colour is right, the way it reflects light isn't. That's why every surface starts with a test patch: do a palm-sized sample on the underside of the seat or behind the backrest, let it dry completely and hold it next to the original in daylight. Wet, every shade looks darker and glossier than dry, so judging after five minutes will reliably lead you astray. If the gloss is off, don't fix it with more colour, adjust the mixing ratio in the top coat or use the matting additive COLOURLOCK \"Duller\".\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWith COLOURLOCK, dyeing is a trade job, not an off-the-shelf fix\u003c\/h3\u003e\n\u003cp\u003eLeather dye comes in two worlds. One is tinting kits for end users: dabbed on, superficial, without much build-up, but hard to get wrong. The other is coating chemistry that works with spray gun, drying breaks and mixing ratios. This line belongs to the second world.\u003c\/p\u003e\n\n\u003cp\u003eThe reason is where it comes from. From 1995, Lederzentrum supplied upholsterers and detailers whose daily work is worn steering wheel rims, faded dashboard covers and seat bolsters where the colour coat has rubbed through. So what was developed wasn't one product that does everything, but a chain of steps that pros work through in a fixed order. Since October 2023 the leather specialist has been part of Koch-Chemie, which is why the line appears in the shop under the vendor Koch-Chemie × COLOURLOCK.\u003c\/p\u003e\n\n\u003cp\u003eThe chemistry behind it has become quieter over the years. Solvent-based paint systems have largely disappeared, and today dyes and top coats are water-based, built on polyurethane and acrylate dispersions. What that means for you: no solvent smell in the cabin, but drying behaviour that depends on temperature and humidity. Water evaporates more slowly than solvent, and that's exactly where the patience this process demands comes from.\u003c\/p\u003e\n\n\u003cp\u003eWhat this line has over a repair kit isn't the colour, it's access to every single parameter. Coverage, gloss level, feel, viscosity and degree of crosslinking can all be set separately. That's more decision-making than a ready-made product asks of you, and less rework when the result has to hold up next to an original surface.\u003c\/p\u003e\n\n\u003ch3\u003eEach group in the line does exactly one job\u003c\/h3\u003e\n\u003cp\u003eFirst up is \u003ca href=\"\/en\/collections\/koch-chemie-colourlock-faerben-grundierung\"\u003eprimer \u0026amp; adhesion promoter\u003c\/a\u003e: it makes sure the colour bonds at all. COLOURLOCK \"Leather Primer\" soaks into the sanded, degreased smooth leather and forms the bridge between leather grain and colour film. COLOURLOCK \"Blocker\" is the special case for old leather: a barrier against anything pushing up from below — migrated plasticisers, old grease deposits, bleeding denim dyes. And COLOURLOCK \"Plastic Primer ND\" does the same job on plastic parts whose surface is naturally too smooth for water-based colour.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003ca href=\"\/en\/collections\/koch-chemie-colourlock-faerben-lederfarben\"\u003eleather dyes\u003c\/a\u003e are the group that actually replaces colour rather than refreshing it. COLOURLOCK \"Leather Colour\" covers surface-coloured smooth leather with pigment and is the product for true colour changes and for areas where the factory colour has worn through. COLOURLOCK \"Binder\" (Neutral) works alongside it without pigment: it creeps into leather that has become brittle across a large area, bonds loose fibres from within and creates the solid base on which colour later covers evenly.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003ca href=\"\/en\/collections\/koch-chemie-colourlock-faerben-farbauffrischer\"\u003ecolour refreshers\u003c\/a\u003e come in one step earlier, where the colour coat still holds and just looks tired. COLOURLOCK \"Leather Fresh\" comes as a colour-neutral base in several gloss levels, from the dull version for a matt factory look to the glossy one for leather that should visibly carry more shine. For nubuck, suede and open-pore rough leather, \u003ca href=\"\/en\/collections\/koch-chemie-colourlock-faerben-nubuck-fresh\"\u003eNubuck Fresh\u003c\/a\u003e is its own base, because a film-forming colour would destroy the velvety surface.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003ca href=\"\/en\/collections\/koch-chemie-colourlock-faerben-top-coat\"\u003eTop Coat \u0026amp; finish\u003c\/a\u003e is the layer that protects the work at the end. It sits as a clear, elastic film over the colour, takes the abrasion and at the same time sets the gloss level — from a matt finish that scatters light diffusely, through a light sheen, up to a high-gloss finish for a patent-leather look. COLOURLOCK \"Top Life\" is the surface protection for when the freshly dyed area needs extra protection against friction.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003ca href=\"\/en\/collections\/koch-chemie-colourlock-faerben-additive\"\u003eadditives \u0026amp; aids\u003c\/a\u003e are the adjustment dials. COLOURLOCK \"Duller\" lowers gloss steplessly, COLOURLOCK \"Soft Slip\" makes the surface velvety, COLOURLOCK \"Wax Slip\" waxy and grippy, COLOURLOCK \"Thickener\" thickens so nothing runs on vertical seat bolsters, and COLOURLOCK \"Crosslinker CD\", as a \u003ca href=\"\/en\/collections\/koch-chemie-colourlock-faerben-vernetzer\"\u003ecrosslinker\u003c\/a\u003e, increases resistance to wet abrasion. COLOURLOCK \"Stitch Covering Gel\" belongs here functionally, although it doesn't adjust anything: it masks light contrast stitching so it doesn't get coloured when you spray.\u003c\/p\u003e\n\n\u003ch3\u003eRefreshing, dyeing and stabilising are three different jobs\u003c\/h3\u003e\n\u003cp\u003eThe most common question we get about this line boils down to: is refreshing enough, or do I need to dye? The answer lies in the state of the colour coat, not the age of the car. If it's intact and just looks dull, unevenly glossy or tired in colour, COLOURLOCK \"Leather Fresh\" is the right amount of effort. If it's rubbed through and the leather underneath shows light, only pigment will help.\u003c\/p\u003e\n\n\u003cp\u003eThat's where COLOURLOCK \"Leather Colour\" takes over. The difference isn't one of degree: the refresher evens out an existing look, the leather dye builds a new covering layer. The application differs accordingly — refreshers can be worked over the surface with sponge and cloth, while a true colour change is sprayed, because only the fine mist delivers the thin, even layer that stays elastic.\u003c\/p\u003e\n\n\u003cp\u003eThe third job is the least visible. COLOURLOCK \"Binder\" (Neutral) changes neither colour nor gloss, it consolidates. On leather that's gone brittle over a large area and shows fine crackle patterns when pressed, it's the step without which any colour on top gets torn along with it. Binder soaks in, Leather Fresh evens out, Leather Colour covers — mix these three up and you'll be doing the job twice.\u003c\/p\u003e\n\n\u003cp\u003eOne limit runs across all three: damage you can feel doesn't belong in this category. Anything your fingernail catches as an edge has to be closed first. Cracks, holes and broken edges are handled by \u003ca href=\"\/en\/collections\/koch-chemie-colourlock-reparatur\"\u003erepair\u003c\/a\u003e with adhesive, filler and compound. Colour has no filling power; laid over an open edge it actually accentuates it and is the first thing to flake off there again.\u003c\/p\u003e\n\n\u003ch3\u003eStep zero is the degreaser, not the colour\u003c\/h3\u003e\n\u003cp\u003eNo step decides durability as much as the one almost everyone cuts short. Skin oils, sweat and silicones from cockpit sprays sit on the leather as a wafer-thin release film, and water-based primers and dyes won't stick to it. That's why cleaning comes first, followed by a \u003ca href=\"\/en\/collections\/koch-chemie-colourlock-reinigung-entfetter\"\u003edegreaser\u003c\/a\u003e worked in until a white cotton cloth picks up a slight tint of the leather colour. That colour transfer is the signal that the old finish is open.\u003c\/p\u003e\n\n\u003cp\u003eAfter that, the process runs without shortcuts: mask contrast stitching, scuff the surface with a fine sanding pad, prime, fill and sand between coats, dye, seal. Scuffing seems like a side issue, but it increases the surface that primer and colour grip onto and breaks up the oxidised remnants of the old top coat. The primer itself is deliberately kept thin and only dried to a slightly tacky state — a thick primer coat stays soft and later lets the colour on top shift.\u003c\/p\u003e\n\n\u003cp\u003eFor colour application there's one rule: many mist coats instead of a few wet ones. Force-dry briefly with warm air between passes, then the next layer. From everyday life at Detailing1: for two front seats, count on a full day rather than three hours, and most of that is waiting. A layer applied too thick cures as a rigid block, feels like plastic and cracks at the first fold.\u003c\/p\u003e\n\n\u003cp\u003eThe finish is the top coat, and that's where the gloss decision happens. Matt and gloss are mixed in ratio until the gloss level matches the surroundings, and one to two percent crosslinker goes in fresh. After that, only time counts: thermally the surface is dry after minutes, but chemically fully crosslinked only after 24 to 48 hours. Sit on the seat or apply leather lotion before that and you're working grease into a layer that isn't finished yet.\u003c\/p\u003e\n\n\u003ch3\u003eWhere dyeing stops and the upholsterer takes over\u003c\/h3\u003e\n\u003cp\u003eOne zone is off-limits, and it's not about looks. The outer bolsters of many seat backrests contain the side airbag tear seam. It's designed as a predetermined breaking point and subject to documentation requirements; if it's painted over, sealed with filler or stiffened by hard, crosslinked colour layers, deployment behaviour shifts in the millisecond range. Work on this seam belongs with a specialist upholstery business holding the relevant certification, however well you handle the rest.\u003c\/p\u003e\n\n\u003cp\u003eThe second limit is perforated leather in ventilated seats. Colour and filler run into the hole pattern and clog it, and that doesn't just ruin the look, it kills the seat ventilation. Pros spray dry there in a cross pattern from further away with less material flow, and clear clogged holes before curing. We recreated on a perforated sample piece how quickly this tips over: after the third layer the holes at the edge of the area were closed, and the blocked holes ended up far more noticeable than the light wear it was originally about.\u003c\/p\u003e\n\n\u003cp\u003eOpen-pore aniline leather is the third case. Technically it can be over-dyed with pigment, but in practice it loses exactly what it was bought for: its soft, breathable feel. You have to be just as honest about heavily hardened, shrunken leather — if the material crackles when bent and feels like cardboard, the fibre structure is gone. No colour brings it back. And where seams have torn or the backing fabric is worn through, no coating holds the cover tension; that's upholsterer's work.\u003c\/p\u003e\n\n\u003cp\u003eFinally, the limit that gets argued about most: the shade. A shade mixed exactly to the factory recipe won't match ten-year-old leather anymore, because UV light and heat have shifted the original. Then there's metamerism — two colours that look identical in daylight can drift apart under artificial light. That's why in practice you dye through to the next seam instead of spot-repairing: the seam is the visual break line beyond which a slight shade difference no longer shows.\u003c\/p\u003e\n\n\u003ch3\u003eThe state of your leather decides where you start\u003c\/h3\u003e\n\u003cp\u003eRun your fingernail over the spot and look at what's left. If the colour coat is still intact and just looks dull or uneven, a refresher from the Leather Fresh family in the right gloss level is enough, plus \u003ca href=\"\/en\/collections\/koch-chemie-colourlock-faerben-mattierung\"\u003ematting additive\u003c\/a\u003e if the factory look is more matt than the result. If light substrate shows through, the job starts with primer and COLOURLOCK \"Leather Colour\". If the surface is brittle over a large area, COLOURLOCK \"Binder\" (Neutral) comes first. For nubuck and suede, the only route is COLOURLOCK \"Nubuck Fresh\" (Neutral).\u003c\/p\u003e\n\n\u003cp\u003eThe shade comes after that, and there's a shortcut via the car: the \u003ca href=\"\/en\/collections\/koch-chemie-colourlock-original-lederfarben\"\u003eoriginal leather colours\u003c\/a\u003e are mixed to sample and sorted by car brand, from Audi and BMW through Mercedes-Benz and Porsche to Volvo and Land Rover. So you don't choose from a colour chart, you go by your model — and with aged leather, add a test patch before the whole seat gets done. If you need the complete build-up in one go, you'll find it matched in the \u003ca href=\"\/en\/collections\/koch-chemie-colourlock-sets-faerbe-sets\"\u003ecomplete dye kits\u003c\/a\u003e. All other products from the brand are one level up: \u003ca href=\"\/en\/collections\/koch-chemie-colourlock\"\u003eCOLOURLOCK × Koch-Chemie\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eRealistic expectations are part of it. A properly built dye job lasts around three to five years on steering wheel and entry bolster, roughly 50,000 to 80,000 kilometres in everyday use, before the first shiny spots appear on the top coat. On surfaces with little wear, much longer. After that you don't re-dye, you renew the wear layer — that's the difference between a system and a coat of paint.\u003c\/p\u003e\n\n\u003cp\u003eAnd the point where most dye jobs fail isn't the colour. It's the top coat people leave out because the surface already looks good after dyeing. Plain leather dye has no real abrasion resistance; without the clear protective layer on top, the fresh pigment coat rubs off again on jeans seams and belt buckles within a few months. Skimp on the top coat and you're skimping on the only step that keeps the colour in place.\u003c\/p\u003e\n","products":[{"product_id":"koch-chemie-colourlock-binder-neutral-neutrale-fuellfarbe","title":"COLOURLOCK \"Binder\" (Neutral) — neutral filler for brittle, cracked leather","description":"\u003ch2\u003eCOLOURLOCK Binder (Neutral) — neutral filler for structural leather repairs\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eWhat does COLOURLOCK Binder Neutral do? — The neutral binder stabilises damaged leather surfaces, fills fine cracks and worn spots, strengthens the structure and forms the load-bearing base before colour-specific products like Leather Fresh or Fluid Leather go on.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eCOLOURLOCK Binder (Neutral)\u003c\/strong\u003e is the professional base coat for structural leather repairs. The binder firms up the top pigment layer, fills micro-cracks, masks light fibre damage and preps the leather so coloured products grip better afterwards and cover evenly. As the neutral version it carries no pigment and works purely for stabilisation, not colour correction. Ideal for cars, furniture, fashion and all pigmented smooth leather showing wear, scratches or early cracking.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStabilises weakened leather surfaces\u003c\/strong\u003e – Firms up the pigment layer and stops small cracks from opening up further.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEvens out micro-structures\u003c\/strong\u003e – Fills fine worn spots and gives you a smoother surface as a repair base.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeutral base for colour\u003c\/strong\u003e – No pigment, no tint – pure structural reinforcement before Leather Fresh or Fluid Leather.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eBinder technology \u0026amp; how it works in worn leather\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBinder Neutral\u003c\/strong\u003e uses flexible, high-grip binders that work into the damaged areas of the top coat and build a new, elastic structure right there. As leather turns microscopically brittle over time through friction and UV, the binder acts like a repairing „primer-filler“: it links loose pigment particles, closes small breaks and stops further fraying. Koch-Chemie says the layer stays elastic so the leather keeps its natural give. The neutral binder changes neither colour nor sheen — it just delivers the structural stability that makes the next colour coats grip far better.\u003c\/p\u003e\n\u003ch3\u003ePrep, application \u0026amp; the right repair sequence\u003c\/h3\u003e\n\u003cp\u003eBefore you use the \u003cstrong\u003eBinder\u003c\/strong\u003e, the leather should be cleaned and degreased thoroughly so the filler can work in evenly. You lay the binder down thin with a sponge, dauber or brush and build it up in several fine coats until the surface feels structurally sound again. Let it flash off briefly between coats so you don’t get uneven patches. On slightly deeper damage you can lightly sand in between to smooth things out. After the binder phase comes the colour build-up: Leather Fresh for light colour touch-ups or Fluid Leather for heavier repairs. Only on a stabilised surface will these products cover evenly and hold for the long run.\u003c\/p\u003e\n\u003ch3\u003eResults, typical uses \u0026amp; how it differs from coloured products\u003c\/h3\u003e\n\u003cp\u003eAfter application the area feels smoother, sturdier and far better prepped for a colour refresh. \u003cstrong\u003eBinder Neutral\u003c\/strong\u003e earns its place wherever there’s structural damage: seat bolsters, steering wheels, furniture edges, the high-wear zones of bags and jackets. It doesn’t replace a full colour repair — the coloured versions of the Binder range or Leather Fresh are ideal for that. Neutral is deliberately the „invisible“ base that dials in structure, firmness and grip. In the car interior especially it lays the groundwork so later repairs don’t flake or look blotchy.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon questions about COLOURLOCK Binder (Neutral)\u003c\/h2\u003e\n\u003ch4\u003eDoes the binder colour the leather?\u003c\/h4\u003e\n\u003cp\u003eNo. The neutral version carries no pigment at all and works only for structural stabilisation.\u003c\/p\u003e\n\u003ch4\u003eIs binder the same as leather paint?\u003c\/h4\u003e\n\u003cp\u003eNo. Binder is a filler and firming product. For colour touch-ups you use Leather Fresh or Fluid Leather.\u003c\/p\u003e\n\u003ch4\u003eHow many coats do you need?\u003c\/h4\u003e\n\u003cp\u003eOne to several thin coats depending on the damage. The key: always work sparingly and let it dry well.\u003c\/p\u003e\n\u003ch4\u003eCan I use binder without primer?\u003c\/h4\u003e\n\u003cp\u003eWith good grip conditions, yes. On tricky or silicone-heavy surfaces, Leather Primer beforehand is the way to go.\u003c\/p\u003e\n\u003ch4\u003eDoes binder make the repair last longer?\u003c\/h4\u003e\n\u003cp\u003eYes. Stabilised areas hold colour better and are less prone to cracking open again.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eLast updated: 02.12.2025 — Author: Daniel (Detailing1)\u003c\/small\u003e\u003c\/p\u003e","brand":"Koch-Chemie × COLOURLOCK","offers":[{"title":"Neutral \/ 1000 ml \/ 1 liter","offer_id":56320202899791,"sku":"D1-KCX-481-1L-01","price":49.99,"currency_code":"EUR","in_stock":true},{"title":"Neutral \/ 250ml","offer_id":56320202932559,"sku":"D1-KCX-481-250ML-01","price":18.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/481-1L-01_1.png?v=1762116834"},{"product_id":"koch-chemie-colourlock-leather-fresh-neutral-farbneutrale-farbaufrischung","title":"COLOURLOCK \"Leather Fresh\" (Neutral) Colour-Neutral Base for Leather Refreshing","description":"\u003ch2\u003eColour-neutral refresh for smooth automotive leather with COLOURLOCK Leather Fresh (Neutral)\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat does COLOURLOCK Leather Fresh (Neutral) do? — The colour-neutral formula revives dried-out, dulled or slightly faded smooth leather without shifting the original shade, giving you an even, harmonious finish on both spot repairs and larger areas.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eCOLOURLOCK Leather Fresh (Neutral)\u003c\/strong\u003e is the one to reach for when you want to freshen up smooth leather without touching the factory colour. It builds on COLOURLOCK's professional leather-colour technology and is spot-on for light scratches, dry patches or scuffs where you don't need an exact colour match. Neutral works quietly: it visually re-saturates the surface, evens out dull spots and pulls the whole thing back to a calm, uniform look — ideal for steering wheels, seat bolsters, door sills and lightly worn interior zones.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour-neutral visual refresh\u003c\/strong\u003e – Ideal when the original shade has to stay exactly as it is. The neutral formula acts like a \u0026bdquo;soft-focus\u0026ldquo; over dull or dry areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHides fine scratches \u0026amp; wear\u003c\/strong\u003e – Perfect for light everyday marks that aren't deep enough to warrant a colour-specific repair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy to work with\u003c\/strong\u003e – Dab it on thin, let it dry, repeat if needed. The result looks natural, with no visible edges.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eHow the colour-neutral refresh works \u0026amp; how the material behaves\u003c\/h3\u003e\n\u003cp\u003eThe colour-neutral formulation of \u003cstrong\u003eLeather Fresh (Neutral)\u003c\/strong\u003e works without pigments, so it doesn't behave like a classic leather colour but more like an optical balancer. It sinks gently into the top layers of pigmented smooth leather and re-activates the way light bounces off it, so dry spots stand out less and scratches look visually closed. According to Koch-Chemie, the technical base is a flexible binder matrix that keys into the PU top-coat of modern automotive leather. That keeps the natural feel just as soft and doesn't build the surface up. Most mistakes come from laying it on too thick — the thinner and more targeted you work, the more invisibly the repair blends in.\u003c\/p\u003e\n\u003ch3\u003ePrep, spot repair \u0026amp; getting the application right\u003c\/h3\u003e\n\u003cp\u003eBefore you start, clean the leather thoroughly with a mild cleaner so oils and dust don't get in the way of adhesion. For the best results, dab \u003cstrong\u003eLeather Fresh (Neutral)\u003c\/strong\u003e on spot by spot with a small sponge or cotton bud. Less is more: you build the area up in thin coats until the dull or lightly damaged patch evens back out. On more heavily worn spots it's worth a careful light sanding first to smooth the surface. Once it's dry, the leather is ready to use straight away. Following up with some protection — the right care products or an anti-rub treatment — locks the result in for the long haul, especially in high-wear areas.\u003c\/p\u003e\n\u003ch3\u003eResults, where to use it \u0026amp; where colour products take over\u003c\/h3\u003e\n\u003cp\u003eWith \u003cstrong\u003eLeather Fresh (Neutral)\u003c\/strong\u003e you get a natural, understated result: the shade stays original while light dryness, shading and micro-scratches become far less visible. For bigger colour changes or wear with real pigment loss the neutral product deliberately isn't the answer — that's where colour-specific variants or COLOURLOCK's Fluid Leather products are the better call. Neutral shines on detail work around the driver's entry, on seat bolsters, steering wheels and for fine cosmetic touch-ups after a leather clean. It also works a treat as a \u0026bdquo;finish smoother\u0026ldquo; when you want to soften small transitions after a coloured repair.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon questions about COLOURLOCK Leather Fresh (Neutral)\u003c\/h2\u003e\n\u003ch4\u003eDoes the product change the leather's original colour?\u003c\/h4\u003e\n\u003cp\u003eNo. The neutral version contains no pigments, so it doesn't shift the shade. It only tones down dull spots and light everyday marks.\u003c\/p\u003e\n\u003ch4\u003eCan I repair real colour loss with it?\u003c\/h4\u003e\n\u003cp\u003eOnly very slightly, and only visually. If you can see pigment rubbing off, go for a coloured Leather Fresh variant or Fluid Leather.\u003c\/p\u003e\n\u003ch4\u003eDo I need to seal the product?\u003c\/h4\u003e\n\u003cp\u003eA bit of extra care or an anti-rub treatment makes sense, above all on seat bolsters or steering wheels. It makes the visual correction last longer.\u003c\/p\u003e\n\u003ch4\u003eHow many coats are best?\u003c\/h4\u003e\n\u003cp\u003eSeveral very thin coats give a more natural result than one thick layer. Let it flash off briefly between coats.\u003c\/p\u003e\n\u003ch4\u003eIs Leather Fresh (Neutral) suitable for perforated leather?\u003c\/h4\u003e\n\u003cp\u003eYes, as long as you work precisely and sparingly so no liquid gets into the perforation.\u003cem\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eLast updated: 02.12.2025 — Author: Daniel (Detailing1)\u003c\/small\u003e\u003c\/p\u003e","brand":"Koch-Chemie × COLOURLOCK","offers":[{"title":"Neutral \/ Neutral \/ 1000 ml \/ 1 liter","offer_id":56320217383247,"sku":"D1-KCX-482-1L-01","price":60.99,"currency_code":"EUR","in_stock":true},{"title":"Neutral \/ Neutral \/ 100ml","offer_id":56320217416015,"sku":"D1-KCX-482-100ML-01","price":18.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/482-1L-01_1.png?v=1762117310"},{"product_id":"koch-chemie-colourlock-leather-primer-haftvermittler-leder","title":"COLOURLOCK \"Leather Primer\" adhesion promoter for leather base and colour","description":"\u003ch2\u003eCOLOURLOCK Leather Primer — adhesion promoter for proper colour bonding on leather\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat's COLOURLOCK Leather Primer for? — The primer lays down an evenly grippy surface, stabilises the leather structure and clearly improves how colour and repair products like Leather Fresh or Fluid Leather bond to it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eCOLOURLOCK Leather Primer\u003c\/strong\u003e is the pro-grade adhesion promoter for any leather repair where a colour refresh, a re-dye or structural build-up has to hold. The primer preps the leather surface properly, boosts how well COLOURLOCK colours and fillers grip, and makes repairs more durable, more even and visually cleaner. Spot-on for car, furniture and fashion pieces, plus every pigmented leather that needs degreasing, stabilising and made grippy before a colour correction.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBetter colour grip\u003c\/strong\u003e – The primer keys into the leather surface and gives following colour coats something solid to hold onto.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEven repair finish\u003c\/strong\u003e – Spot-on before Leather Fresh or Fluid Leather, so the colour covers evenly instead of going patchy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePro repair base\u003c\/strong\u003e – Stabilises the surface structure and cuts down on grip problems on smooth or lightly sealed leathers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eAdhesion technology \u0026amp; how it works\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eLeather Primer\u003c\/strong\u003e uses special binders that key into the top leather or PU finish layer while building an ideal base for the COLOURLOCK colours that follow. That matters, because depending on use, care and age, leather can develop uneven surface tension. Without an adhesion promoter, colour products grip worse, flake off or cover unevenly. The primer builds a micro-fine grip matrix that stays both flexible and tough — a real plus for steering wheels, seat bolsters and other heavily worked leather areas. According to Koch-Chemie, the formula ties colour coats into the surface far better and makes repairs come out noticeably longer-lasting.\u003c\/p\u003e\n\u003ch3\u003ePrep, application \u0026amp; the right order for leather repairs\u003c\/h3\u003e\n\u003cp\u003eBefore you reach for \u003cstrong\u003eLeather Primer\u003c\/strong\u003e, the leather has to be cleaned and degreased thoroughly, so no residue gets in the way of the bond. You lay the primer on thin with a small sponge or cloth and spread it evenly. A fine film is enough — too much product actually weakens the grip. After a short dry time the leather is ready for COLOURLOCK Leather Fresh, Fluid Leather or other colour products. On repairs to heavily worked areas like steering wheels, seat bolsters or furniture edges it really pays to prime, to lock in a long-lasting colour bond. The order is always: clean → degrease → Leather Primer → colour → protect\/care.\u003c\/p\u003e\n\u003ch3\u003eResults, where to use it \u0026amp; the payoff in detail\u003c\/h3\u003e\n\u003cp\u003eAfter you've laid it down, the surface reads more even, more stable and far more ready to take colour systems. Colour corrections cover better, transitions look softer, and the repaired patches hold up longer. \u003cstrong\u003eLeather Primer\u003c\/strong\u003e earns its place in every pro leather restoration, especially on leather that's very glossy, has been cared for with silicone-heavy products or simply offers a tricky base to grip. It replaces neither the cleaning nor the care step — it's the essential in-between step for high-quality, long-lasting colour build-ups. The product suits vehicles, furniture, bags, clothing and every type of pigmented leather.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon questions about COLOURLOCK Leather Primer\u003c\/h2\u003e\n\u003ch4\u003eDo I have to use the primer before every colour refresh?\u003c\/h4\u003e\n\u003cp\u003eWe'd recommend it — especially on worn or poorly gripping surfaces, to lock the colour in properly.\u003c\/p\u003e\n\u003ch4\u003eIs the primer also suitable for aniline or nubuck leather?\u003c\/h4\u003e\n\u003cp\u003eNo. It's built purely for pigmented smooth leather.\u003c\/p\u003e\n\u003ch4\u003eHow long does the primer need to dry?\u003c\/h4\u003e\n\u003cp\u003eUsually a few minutes. The surface should be dry and matt before you put colour on.\u003c\/p\u003e\n\u003ch4\u003eCan I use the primer without a colour correction afterwards?\u003c\/h4\u003e\n\u003cp\u003eNo. It's an adhesion promoter and works only as a prep step for colour or repair products.\u003c\/p\u003e\n\u003ch4\u003eDoes the primer improve how well Fluid Leather lasts?\u003c\/h4\u003e\n\u003cp\u003eYes. The repair compound bonds noticeably more solidly and stands up better to mechanical stress.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eLast updated: 02\/12\/2025 — Author: Daniel (Detailing1)\u003c\/small\u003e\u003c\/p\u003e","brand":"Koch-Chemie × COLOURLOCK","offers":[{"title":"1000 ml \/ 1 liter","offer_id":56320404881743,"sku":"D1-KCX-525-1L-01","price":35.99,"currency_code":"EUR","in_stock":true},{"title":"250ml","offer_id":56320404914511,"sku":"D1-KCX-525-250ML-01","price":14.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/525-1L-01_1.png?v=1762120005"},{"product_id":"koch-chemie-colourlock-plastic-primer-nd-kunststoffgrundierung","title":"COLOURLOCK \"Plastic Primer ND\" primer for plastics","description":"\u003ch2\u003eCOLOURLOCK Plastic Primer ND — bonding primer for plastic surfaces\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat is COLOURLOCK Plastic Primer ND used for? — The primer improves how well paints, coatings and repair materials grip plastics, stabilises the surface and gives you even, long-lasting results on smart-repair and refurbishing jobs.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eCOLOURLOCK Plastic Primer ND\u003c\/strong\u003e is the pro-grade primer for any plastic surface that needs reliable adhesion before you paint or repair it. On interior parts like plastic trim, grab handles, consoles or boot components, plastics often grip poorly: plasticisers, slickness, micro-textures or silicone residue stop coatings from keying in cleanly. Plastic Primer ND lays down a solid, uniform bonding base and makes repairs noticeably more durable and visually more even — great for cars, furniture, motorhomes and plenty of plastic parts.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong adhesion boost\u003c\/strong\u003e – The primer keys into different plastics and gives paint and repair products something to grab onto.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEven surface stabilisation\u003c\/strong\u003e – Cuts down adhesion problems on smooth, slightly oily or lightly textured plastic surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePro base for refurbishing\u003c\/strong\u003e – A must before COLOURLOCK plastic paints or structural repairs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eBonding technology \u0026amp; how it works on plastics\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePlastic Primer ND\u003c\/strong\u003e contains purpose-built adhesion promoters that attach to polymer surfaces and raise their surface tension. Plastics like ABS, PVC or PP often have very smooth or slightly greasy surfaces that only take paint poorly. Once applied, the primer forms a micro-fine, transparent bonding matrix that later coatings can key into perfectly. The formula is built so it doesn't leave a thick layer but keeps the plastic's natural texture. That way paint systems cover more evenly and show fewer lifting or edge problems.\u003c\/p\u003e\n\u003ch3\u003ePrep, application \u0026amp; the perfect base for painting\u003c\/h3\u003e\n\u003cp\u003eBefore you lay down \u003cstrong\u003ePlastic Primer ND\u003c\/strong\u003e, clean and degrease the surface thoroughly, ideally with suitable cleaners or GLD\/ Degreaser (link placeholder). Apply the primer thin and even — a fine film is enough. After a short flash-off time the part is ready for painting or a structural repair. Avoid layers that are too thick, as they tend to make adhesion worse. On high-wear areas like door handles, sill plates or centre-console surfaces the primer keeps later coatings more durable and more abrasion-resistant.\u003c\/p\u003e\n\u003ch3\u003eResults, uses \u0026amp; how it differs from leather primers\u003c\/h3\u003e\n\u003cp\u003eAfter you use \u003cstrong\u003ePlastic Primer ND\u003c\/strong\u003e you get a much more adhesion-ready plastic surface where paint grips evenly and stays put. The result is cleaner repairs, less flaking and a visually harmonious surface. The primer suits all vehicle interior parts, boot linings, plastic housings, furniture surfaces and other components made from common plastics. It doesn't replace cleaning or a repair filler — it lays the base you need for COLOURLOCK plastic paints, structural fillers or flexible coatings. Unlike Leather Primer, Plastic Primer ND is tuned specifically for plastics and won't work on leather surfaces.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon questions about COLOURLOCK Plastic Primer ND\u003c\/h2\u003e\n\u003ch4\u003eWhich plastics does the primer work on?\u003c\/h4\u003e\n\u003cp\u003eMost plastics common in cars and furniture — ABS, PVC, PP and textured interior parts.\u003c\/p\u003e\n\u003ch4\u003eIs the primer visible after application?\u003c\/h4\u003e\n\u003cp\u003eNo. It dries transparent and leaves only an ultra-fine bonding film.\u003c\/p\u003e\n\u003ch4\u003eDo I need to degrease before the primer?\u003c\/h4\u003e\n\u003cp\u003eYes. Residue like silicones or grease can seriously hurt adhesion.\u003c\/p\u003e\n\u003ch4\u003eCan I use the primer on leather too?\u003c\/h4\u003e\n\u003cp\u003eNo. It's made purely for plastics. For leather, go with Leather Primer.\u003c\/p\u003e\n\u003ch4\u003eHow long does the adhesion boost last?\u003c\/h4\u003e\n\u003cp\u003ePermanently. The bonding film stays stable and gives you a reliable base for every coating that follows.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eLast updated: 02.12.2025 — Author: Daniel (Detailing1)\u003c\/small\u003e\u003c\/p\u003e","brand":"Koch-Chemie × COLOURLOCK","offers":[{"title":"1000 ml \/ 1 liter","offer_id":56541495329103,"sku":"D1-KCX-530-1L-01","price":49.99,"currency_code":"EUR","in_stock":true},{"title":"250ml","offer_id":56541495361871,"sku":"D1-KCX-530-250ML-01","price":22.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/530-1L-01_1.png?v=1764711484"},{"product_id":"koch-chemie-colourlock-leather-fresh-glossy-neutral-farbneutrale-glaenzende-farbaufrischung","title":"COLOURLOCK \"Leather Fresh\" (Glossy \/ Neutral) colour-neutral, glossy base for leather refresh","description":"\u003ch2\u003eCOLOURLOCK Leather Fresh (Glossy \/ Neutral) — glossy, colour-neutral leather refresh\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat does COLOURLOCK Leather Fresh Glossy (Neutral) do? — The colour-neutral gloss formula visually refreshes matte, dull or slightly dried-out smooth leather, builds an even level of gloss and evens out surfaces without changing the colour.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eCOLOURLOCK Leather Fresh (Glossy \/ Neutral)\u003c\/strong\u003e is the answer when you want to freshen up smooth leather and add a bit more shine on purpose – without touching the original colour. The glossy, colour-neutral formula is ideal for leather that looks dull, shows a few matte spots or needs an even finish. It works especially well on decorative leather, lighter interiors or pieces where you want an elegant, lightly polished look. Leather Fresh Glossy acts like a clear gloss top-up and deepens the visual richness of the leather without hiding its grain.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlossy visual finish\u003c\/strong\u003e – Builds an even, elegant shine on smooth leather with no fake \u0026#8220;plastic look\u0026#8221;.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour-neutral\u003c\/strong\u003e – No pigments, no colour shift – perfect for a cosmetic refresh.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEvens out matte areas\u003c\/strong\u003e – Ideal on seat surfaces, trim pieces or leather accessories that have gone dull.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eGloss technology \u0026amp; how it looks on smooth leather\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eLeather Fresh Glossy (Neutral)\u003c\/strong\u003e works with a clear, elastic binder matrix that lays a fine gloss layer over the pigmented leather surface. It stays breathable and flexible because it doesn't sit as a rigid film – instead it bonds with the PU top coat of modern coated leather. The formula boosts the way light reflects, so matte spots disappear and you get an even, high-end shine. According to the manufacturer the natural grain of the leather stays visible, since the product enhances the look rather than covering it. On leather that has started to shine unevenly or gone dull over time, the neutral gloss version brings the whole surface back into one harmonious picture.\u003c\/p\u003e\n\u003ch3\u003ePrep, application \u0026amp; getting the gloss finish right\u003c\/h3\u003e\n\u003cp\u003eBefore you start, clean the leather thoroughly with a mild cleaner and let it dry completely. You lay \u003cstrong\u003eLeather Fresh Glossy\u003c\/strong\u003e on thin with a foam applicator or dabbing sponge – sparingly and in even strokes. The thinner the coats, the more natural the shine. Once a coat dries off fully, it leaves a fine, clear gloss film. For a stronger gloss you can build up several thin coats. Transitions blend away easily, since the product is colour-neutral and leaves no pigment edges. On decorative leather, bags, furniture and styling pieces this gives you a harmonious, elegant finish.\u003c\/p\u003e\n\u003ch3\u003eResults, where to use it \u0026amp; how it differs from coloured Leather Fresh products\u003c\/h3\u003e\n\u003cp\u003eAfter the job the leather looks refined, glossier and more even. The material gains visual depth without any change to the colour. \u003cstrong\u003eGlossy Neutral\u003c\/strong\u003e is ideal when there's no colour loss, and you only need to even out gloss differences or matte spots. For real colour correction or textured repairs, the coloured Leather Fresh versions or Binder \u0026amp; Fluid Leather are the way to go. The Glossy version is best on fashion leather, furniture surfaces, decorative interior parts and accessories that should look a bit more luxurious. It doesn't replace a repair or scratch fill – it fine-tunes the finish.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon questions about COLOURLOCK Leather Fresh (Glossy \/ Neutral)\u003c\/h2\u003e\n\u003ch4\u003eDoes the Glossy version change the leather colour?\u003c\/h4\u003e\n\u003cp\u003eNo. It's colour-neutral and only builds gloss, with no pigment and no colour shift.\u003c\/p\u003e\n\u003ch4\u003eHow strong is the shine?\u003c\/h4\u003e\n\u003cp\u003eThe effect is an elegant gloss, not artificial or plastic-like. Build up several thin coats to push the gloss level higher.\u003c\/p\u003e\n\u003ch4\u003eCan I use Glossy over older leather repairs?\u003c\/h4\u003e\n\u003cp\u003eYes, as long as the area is clean and stable. It refines the finish and can visually match matte repair spots.\u003c\/p\u003e\n\u003ch4\u003eIs Glossy suitable for steering wheels?\u003c\/h4\u003e\n\u003cp\u003eOnly to a point. Gloss on a steering wheel is often unwanted, since it can feel more slippery. For interior surfaces and accessories, though, it's ideal.\u003c\/p\u003e\n\u003ch4\u003eDo I need a care or sealing step afterwards?\u003c\/h4\u003e\n\u003cp\u003eYes. A gentle care or wear-protection treatment stabilises the finish and guards against soiling.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eLast updated: 02.12.2025 — Author: Daniel (Detailing1)\u003c\/small\u003e\u003c\/p\u003e","brand":"Koch-Chemie × COLOURLOCK","offers":[{"title":"Neutral \/ Glossy \/ Glossy \/ 1000 ml \/ 1 liter","offer_id":56541618602319,"sku":"D1-KCX-532-1L-01","price":60.99,"currency_code":"EUR","in_stock":true},{"title":"Neutral \/ Glossy \/ Glossy \/ 100ml","offer_id":56541618635087,"sku":"D1-KCX-532-100ML-01","price":18.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/532-1L-01_1.png?v=1764713032"},{"product_id":"koch-chemie-colourlock-leather-fresh-dull-neutral-farbneutrale-dulle-farbaufrischung","title":"COLOURLOCK \"Leather Fresh\" (Dull \/ Neutral) Colour-neutral matte base for leather refresh","description":"\u003ch2\u003eCOLOURLOCK Leather Fresh (Dull \/ Neutral) — matte, colour-neutral leather refresh\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat does COLOURLOCK Leather Fresh Dull (Neutral) do? — The colour-neutral, matting formula refreshes dull or unevenly glossy smooth leather, knocks back shine, evens out the finish and keeps the original matte OEM look — all without changing any colour.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eCOLOURLOCK Leather Fresh (Dull \/ Neutral)\u003c\/strong\u003e is the one to grab when you want smooth leather back to a natural, matte finish without laying down any colour. The colour-neutral version was built specifically to even out shiny spots, dial up the matte effect where you want it and visually balance the surface. Perfect for bolsters, steering wheels, console leather, furniture or fashion pieces whose look has been thrown off by wear-shine or patchy matting. The Dull variant works like a subtle matte refiner and gives you a dead-even, high-end appearance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatte visual balancing\u003c\/strong\u003e – Knocks back unwanted shiny spots without going artificially flat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour-neutral\u003c\/strong\u003e – Holds no pigment, ideal for shine correction with zero colour shift.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHarmonious finish\u003c\/strong\u003e – Perfect for blending repairs, transitions or visually busy zones.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eMatte technology \u0026amp; how it works on pigmented leather\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eLeather Fresh Dull (Neutral)\u003c\/strong\u003e is based on an elastic clear formulation with finely tuned matting particles that settle evenly across the pigmented surface. The product interacts with the PU topcoat of modern automotive leather and breaks up light reflections on purpose, without masking the grain or making the leather look dead. That makes shiny spots from friction, skin oils or care mistakes disappear, and the surface looks factory-matte again. Per Koch-Chemie, the Dull version changes no colour tones — it only fine-tunes how the surface reflects light, which is ideal for an OEM look.\u003c\/p\u003e\n\u003ch3\u003ePrep, application \u0026amp; best-practice finish\u003c\/h3\u003e\n\u003cp\u003eBefore you start, the leather has to be clean and grease-free so the matting grabs evenly. You lay \u003cstrong\u003eLeather Fresh Dull\u003c\/strong\u003e down thin with a dabbing sponge or soft pad in straight or lightly circular strokes. The goal is a fine, even film; going on too thick can leave patchy areas. Once it's dry you get a nicely balanced matte finish. For a stronger matte effect you can build up several very thin coats. Transitions blend away effortlessly, since the product works colour-neutral and leaves no pigment edges. On heavily glossed steering wheels or bolsters in particular, it makes a clear visual difference.\u003c\/p\u003e\n\u003ch3\u003eResults, ideal uses \u0026amp; where it differs from coloured products\u003c\/h3\u003e\n\u003cp\u003eAfter application the leather looks more natural, matter and visually calmer. The surface reads more premium, because the original OEM matte effect is back. \u003cstrong\u003eDull Neutral\u003c\/strong\u003e suits any case where shine isn't wanted — think darkened areas, greasy patches or visually jarring transitions after repairs. Since the product carries no colour, it doesn't replace a pigment repair; if there's colour loss you'll need Leather Fresh in a coloured version or Fluid Leather. Dull is a pure finishing product: perfect as the last step in a cosmetic refresh.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon questions about COLOURLOCK Leather Fresh (Dull \/ Neutral)\u003c\/h2\u003e\n\u003ch4\u003eDoes the Dull version change the colour tone?\u003c\/h4\u003e\n\u003cp\u003eNo. It's fully colour-neutral and only affects the gloss level, not the pigmentation.\u003c\/p\u003e\n\u003ch4\u003eHow strong is the matte effect?\u003c\/h4\u003e\n\u003cp\u003eNaturally matte. You can build it up with several thin coats without it looking artificial.\u003c\/p\u003e\n\u003ch4\u003eCan I use Dull on repaired leather spots?\u003c\/h4\u003e\n\u003cp\u003eYes. It harmonises the finish and hides glossy transitions after colour or structure repairs.\u003c\/p\u003e\n\u003ch4\u003eIs the product suitable for steering wheels?\u003c\/h4\u003e\n\u003cp\u003eYes. A matte finish gives you better grip there plus an authentic look.\u003c\/p\u003e\n\u003ch4\u003eDo I still need care afterwards?\u003c\/h4\u003e\n\u003cp\u003eYes. A friction protectant or care product stabilises the matte finish and guards against new shiny spots.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eLast updated: 02.12.2025 — Author: Daniel (Detailing1)\u003c\/small\u003e\u003c\/p\u003e","brand":"Koch-Chemie × COLOURLOCK","offers":[{"title":"Neutral \/ Dull \/ Matte \/ 1000 ml \/ 1 liter","offer_id":56541659627855,"sku":"D1-KCX-550-1L-01","price":60.99,"currency_code":"EUR","in_stock":true},{"title":"Neutral \/ Dull \/ Matte \/ 100ml","offer_id":56541659660623,"sku":"D1-KCX-550-100ML-01","price":18.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/550-1L-01_1.png?v=1764714716"},{"product_id":"koch-chemie-colourlock-crosslinker-cd-vernetzer","title":"COLOURLOCK \"Crosslinker CD\" Hardener","description":"\u003ch2\u003eCOLOURLOCK Crosslinker CD — Hardener for maximum durability of leather dyes \u0026amp; coatings\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat is COLOURLOCK Crosslinker CD for? — The hardener clearly boosts the abrasion, water and chemical resistance of COLOURLOCK dyes and coatings, giving you long-lasting, professional repair and dyeing results.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eCOLOURLOCK Crosslinker CD\u003c\/strong\u003e is the professional hardener for every COLOURLOCK dye and coating system. You mix a small amount into the dye or top-coat, and it makes the finished surface harder, tougher and far more hard-wearing. On high-wear leather and plastic surfaces in particular – think steering wheels, seat bolsters, furniture edges or grab areas – Crosslinker CD bumps up durability significantly. Ideal for cars, furniture, bags, interiors and anywhere that takes a beating, mechanically or chemically.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoosts abrasion \u0026amp; scratch resistance\u003c\/strong\u003e – The dye lasts longer and stays put, even on surfaces that get hammered daily.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBetter all-round resistance\u003c\/strong\u003e – Improves resistance to water, sweat, cleaning agents and alcohol.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional repair quality\u003c\/strong\u003e – A must for COLOURLOCK dye builds and top-coats that go the distance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eCrosslinking technology \u0026amp; how it works in the dye film\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCrosslinker CD\u003c\/strong\u003e drives the chemical crosslinking of the binders inside the dye or top-coat. That crosslinking knits a denser polymer film – harder, more abrasion-resistant and tougher against moisture, sweat, cleaners and mechanical load. The formula is dialled in exactly for COLOURLOCK dye systems and kicks in once the dye film has dried and cured. According to Koch-Chemie, the result is a professional, rugged coating that stays stable for the long haul, even on heavily used leather parts.\u003c\/p\u003e\n\u003ch3\u003eMixing, processing \u0026amp; best-practice application\u003c\/h3\u003e\n\u003cp\u003eYou blend \u003cstrong\u003eCrosslinker CD\u003c\/strong\u003e sparingly into the COLOURLOCK dye or top-coat. The hardener activates the coating, so you have to use the mixed batch within a set window. Lay the mix down with a sponge, brush or spray gun. It really earns its keep on steering wheels, armrests, seat bolsters or bag handles, where you want maximum durability. Once it's on, let the crosslinked layer dry and cure all the way through before you put the surface back to work. Crosslinker CD isn't a standalone product – it goes in only as an additive to dyes and clear coats.\u003c\/p\u003e\n\u003ch3\u003eResults, use cases \u0026amp; the payoff in detail\u003c\/h3\u003e\n\u003cp\u003eAfter you use \u003cstrong\u003eCrosslinker CD\u003c\/strong\u003e, you get a heavy-duty, longer-lasting dye or clear coat. The surface feels more stable, less touchy, and shrugs off everyday use far better. Ideal for vehicle detailing, furniture restoration, bag and shoe repairs or commercial work. Crosslinker CD doesn't replace cleaning, prep or structural repair – it only dials up the durability of the final dye layer, which makes it a step you can't skip on top-tier leather repairs.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon questions about COLOURLOCK Crosslinker CD\u003c\/h2\u003e\n\u003ch4\u003eHow much crosslinker goes into the dye?\u003c\/h4\u003e\n\u003cp\u003eJust a small amount, per the manufacturer's spec. Too much hurts how the mix works.\u003c\/p\u003e\n\u003ch4\u003eCan I apply Crosslinker CD neat?\u003c\/h4\u003e\n\u003cp\u003eNo. It's only meant as an additive for dyes and top-coats.\u003c\/p\u003e\n\u003ch4\u003eDoes the hardener make the dye harder?\u003c\/h4\u003e\n\u003cp\u003eYes. The coating gets more abrasion-resistant and tougher, but stays elastic enough for leather.\u003c\/p\u003e\n\u003ch4\u003eHow long is the mix workable?\u003c\/h4\u003e\n\u003cp\u003eOnly for a limited time. Once mixed, use it promptly.\u003c\/p\u003e\n\u003ch4\u003eIs Crosslinker CD suitable for all COLOURLOCK dyes?\u003c\/h4\u003e\n\u003cp\u003eYes. It works with Leather Fresh, leather dye, top-coats and the system's plastic dyes.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eLast updated: 03.12.2025 — Author: Daniel (Detailing1)\u003c\/small\u003e\u003c\/p\u003e","brand":"Koch-Chemie × COLOURLOCK","offers":[{"title":"50 mL","offer_id":56544924467535,"sku":"D1-KCX-687-50ML-01","price":31.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/687-50ML-01_1.png?v=1778250890"},{"product_id":"koch-chemie-colourlock-duller-mattierungszusatz","title":"COLOURLOCK \"Duller\" matting additive for professional use","description":"\u003ch2\u003eCOLOURLOCK Duller — matting additive for a clean, natural matte finish on leather \u0026amp; plastic\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat does COLOURLOCK Duller do? — The matting additive knocks back the gloss of COLOURLOCK colours and top coats, gives you a natural, OEM-style matte finish and keeps repaired areas from looking greasy or patchy.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eCOLOURLOCK Duller\u003c\/strong\u003e is the pro matting additive for every COLOURLOCK colour and clear-coat system. You mix it straight into your colours or top coats to drop the gloss level and build a genuine, natural matte surface. With modern automotive leathers or matte furniture finishes, getting the gloss dialled in is what makes a repair or recolour blend into the rest — nobody should be able to spot it. Duller keeps the panel from going greasy, too shiny or blotchy once the repair is done.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEven matting\u003c\/strong\u003e – No shiny spots, just a natural, factory-correct look across the surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable\u003c\/strong\u003e – Tune the matte level by how much you add, so you can match the original spot on.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional finish\u003c\/strong\u003e – Made for leather and plastic repairs on cars, furniture and interiors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eMatting technology \u0026amp; how it works in the colour film\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDuller\u003c\/strong\u003e carries finely tuned matting particles that scatter light evenly and pull the gloss out of the coating film. As it dries it lays down a stable matte polymer film that won't wash out the colour or hide the grain. The chemistry is built so the leather coating keeps its flex — a big deal on bits that move, like seat bolsters, grab handles or trim parts. Koch-Chemie says the additive gets you an OEM-close finish even on the trickier matte levels of modern coated leathers.\u003c\/p\u003e\n\u003ch3\u003eMixing, application \u0026amp; handling notes\u003c\/h3\u003e\n\u003cp\u003eYou mix \u003cstrong\u003eDuller\u003c\/strong\u003e straight into COLOURLOCK colours or top coats. The dose sets the final matte level: a little gives you a satin matte, more takes it deep matte. Go too heavy on the Duller, though, and you start to weaken the colour film, so it pays to creep up on the gloss level you want rather than dumping it in. Stir the mix through properly and lay it down soon after. Apply with a sponge, airbrush, gun or dabbing — whatever the job calls for. Spot on for steering wheels, seat faces, furniture edges and any repair where an even matte look is the whole point.\u003c\/p\u003e\n\u003ch3\u003eResults, where to use it \u0026amp; how it differs from Dull\/Gloss products\u003c\/h3\u003e\n\u003cp\u003eOnce it's done you get a natural matte, even finish with no shiny islands or greasy patches. Repairs sit in better and pretty much disappear. \u003cstrong\u003eDuller\u003c\/strong\u003e earns its keep anywhere the original gloss has to be matched exactly: car interiors, furniture, bags, shoes, dashboards or plastic surfaces. It isn't a stand-in for Leather Fresh Dull — it's an additive for the colour mix, there to steer the matte level and light reflection precisely. For pure finish touch-ups with no colour mixing, reach for Leather Fresh Dull (Neutral) instead.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon questions about COLOURLOCK Duller\u003c\/h2\u003e\n\u003ch4\u003eCan I use Duller on its own?\u003c\/h4\u003e\n\u003cp\u003eNo. It's only meant as an additive for colours and top coats.\u003c\/p\u003e\n\u003ch4\u003eHow does the dose change the result?\u003c\/h4\u003e\n\u003cp\u003eMore Duller = a matter finish. Creeping up on it stops you over-matting.\u003c\/p\u003e\n\u003ch4\u003eDoes Duller change the colour coverage?\u003c\/h4\u003e\n\u003cp\u003eMinimally, maybe. Dosed right, the coverage stays stable.\u003c\/p\u003e\n\u003ch4\u003eIs Duller suitable for all COLOURLOCK colour systems?\u003c\/h4\u003e\n\u003cp\u003eYes. It works in leather colours, Leather Fresh, top coats and plastic colours.\u003c\/p\u003e\n\u003ch4\u003eCan I combine Duller with Crosslinker?\u003c\/h4\u003e\n\u003cp\u003eYes. The two work together in the mix: Duller for the look, Crosslinker for durability.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eLast updated: 03\/12\/2025 — Author: Daniel (Detailing1)\u003c\/small\u003e\u003c\/p\u003e","brand":"Koch-Chemie × COLOURLOCK","offers":[{"title":"1000 ml \/ 1 liter","offer_id":56546988228943,"sku":"D1-KCX-526-1L-01","price":65.99,"currency_code":"EUR","in_stock":true},{"title":"250ml","offer_id":56546988261711,"sku":"D1-KCX-526-250ML-01","price":23.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/526-1L-01_1.png?v=1764797967"},{"product_id":"koch-chemie-colourlock-soft-slip-top-coat-zusatz-samtige-oberflaeche","title":"COLOURLOCK \"Soft Slip\" Top Coat additive for a velvety surface","description":"\u003ch2\u003eCOLOURLOCK Soft Slip — Top Coat additive for a velvety-soft leather surface\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat does COLOURLOCK Soft Slip do? — The additive gives COLOURLOCK top coats a velvety-soft feel, cuts down friction and delivers a skin-pleasant, luxurious finish on leather and synthetic leather.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eCOLOURLOCK Soft Slip\u003c\/strong\u003e is the pro additive for COLOURLOCK top coats when you want a particularly soft, skin-pleasant feel on leather or synthetic leather. It lowers the friction, improves the grip and gives a velvety, high-end finish – perfect for steering wheels, seats, furniture, bags and any area that should feel soft and supple. Ideal after a colour or repair job, to take the surface up to a premium level not just to the eye but by feel too.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVelvety grip\u003c\/strong\u003e – Gives top coats a soft, luxurious touch finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLower friction\u003c\/strong\u003e – Ideal for contact areas that should feel less tacky and nicer in the hand.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePro feel-tuning\u003c\/strong\u003e – Perfect as the final step after colour build-up or repairs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eFeel technology \u0026amp; how it works in the top coat\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSoft Slip\u003c\/strong\u003e changes the surface energy of the top coat, so the final coating generates less friction. That makes the leather feel softer, smoother and more velvety – without a greasy sheen or artificial slickness. The special additive formula stays stable in the dried top coat, so the effect keeps coming through for good. According to the maker, Soft Slip pairs especially well with matte or satin-matte top coats, since that's where the difference in feel stands out most.\u003c\/p\u003e\n\u003ch3\u003eMixing, application \u0026amp; getting it spot-on\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSoft Slip\u003c\/strong\u003e mixes straight into the COLOURLOCK top coat. The dosage sets how intense the velvety finish gets – a little for slight smoothness, more for a maximum-soft feel. Once it's mixed in thoroughly, you lay the top coat down as usual with a sponge, airbrush or spray gun. The additive has no effect on colour coverage, it's purely there for the feel and works perfectly alongside other additives like Duller or Crosslinker CD. The key is an even application, so the grip comes out uniform.\u003c\/p\u003e\n\u003ch3\u003eResults, uses \u0026amp; how it differs from other additives\u003c\/h3\u003e\n\u003cp\u003eOnce it's dry you get a pleasantly soft, almost velvety surface that feels noticeably more high-end. \u003cstrong\u003eSoft Slip\u003c\/strong\u003e suits steering wheels, seats, armrests, furniture, bags or clothing – anywhere premium feel matters. It's not a gloss control (that's Duller's job) and not a durability booster (Crosslinker CD handles that). It's a pure feel-enhancer that lifts the surface to a classy, supple level.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon questions about COLOURLOCK Soft Slip\u003c\/h2\u003e\n\u003ch4\u003eDoes Soft Slip change the gloss level?\u003c\/h4\u003e\n\u003cp\u003eNo. It affects the feel, not the gloss. For matting, Duller is the right additive.\u003c\/p\u003e\n\u003ch4\u003eCan I mix Soft Slip with Crosslinker?\u003c\/h4\u003e\n\u003cp\u003eYes. Both can go into the top coat together.\u003c\/p\u003e\n\u003ch4\u003eDoes Soft Slip make the leather slippery?\u003c\/h4\u003e\n\u003cp\u003eNo, just soft and pleasant. It cuts friction without taking away control.\u003c\/p\u003e\n\u003ch4\u003eIs Soft Slip suitable for synthetic leather too?\u003c\/h4\u003e\n\u003cp\u003eYes. The effect works on synthetic leather just as well as on real leather.\u003c\/p\u003e\n\u003ch4\u003eWhen do I apply Soft Slip?\u003c\/h4\u003e\n\u003cp\u003eIn the last step – as part of the final top coat, after colour, repair or texture build-up.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eLast updated: 03.12.2025 — Author: Daniel (Detailing1)\u003c\/small\u003e\u003c\/p\u003e","brand":"Koch-Chemie × COLOURLOCK","offers":[{"title":"250ml","offer_id":56547051012431,"sku":"D1-KCX-527-250ML-01","price":24.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/527-250ML-01_1.png?v=1778250893"},{"product_id":"koch-chemie-colourlock-top-coat-car-and-funiture-top-coat-lederreparatur","title":"COLOURLOCK \"Top Coat\" (Car and Funiture) Top Coat for professional leather repair in the automotive and furniture industry","description":"\u003ch2\u003eCOLOURLOCK Top Coat (Car \u0026amp; Furniture) — clear coat for leather repairs that last\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat is COLOURLOCK Top Coat used for? — This clear coat permanently protects colour-repaired leather, boosts abrasion and sweat resistance, and gives you a matte, satin or glossy OEM finish on automotive and furniture surfaces.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eCOLOURLOCK Top Coat (Car \u0026amp; Furniture)\u003c\/strong\u003e is the professional protective coat for every leather repair and colour refresh. It seals the coloured layer, shields it from abrasion, sweat, rubbing and day-to-day wear, and lays down an even, true-to-original finish. Depending on the sheen you pick — matte, satin or glossy — you dial the look in to match OEM automotive leather or furniture surfaces exactly. That makes the Top Coat the one step you don't skip at the end of any quality leather repair.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable protective layer\u003c\/strong\u003e – clearly boosts resistance to abrasion, sweat and cleaners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-grade finish\u003c\/strong\u003e – matte, satin or glossy for a perfect surface match.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional repair quality\u003c\/strong\u003e – locks in colour coats and extends how long a repair lasts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnology \u0026amp; how the protective coat works\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eTop Coat\u003c\/strong\u003e builds a flexible, hard-wearing polymer film that protects the colour underneath for the long haul. Leather surfaces — especially in a car — take a real beating: sweat, friction, moisture, contact with clothing, cleaning cycles. The Top Coat seals the coloured surface without killing its natural give. The formulation stops early gloss loss and colour rub-off and leaves an evenly reflecting finish. Mix in Crosslinker CD and you push the durability even higher, particularly on steering wheels or hard-worked bolsters.\u003c\/p\u003e\n\u003ch3\u003ePrep, application \u0026amp; best-practice workflow\u003c\/h3\u003e\n\u003cp\u003eAfter colour build-up or repair, the surface has to be fully dry and grease-free. You lay \u003cstrong\u003eTop Coat\u003c\/strong\u003e down thin and even with a sponge, airbrush or spray gun. For a flawless finish, go for several light coats with short flash-off times between them. The sheen you choose sets the final look — matte for modern automotive leather, satin for furniture and interior parts, glossy for decorative jobs. If you blend in Crosslinker or Duller, stir the components in well and work them in promptly. Only once it's fully cured is the surface ready to take a load again.\u003c\/p\u003e\n\u003ch3\u003eResults, uses \u0026amp; where it sits next to the add-ons\u003c\/h3\u003e\n\u003cp\u003eAfter application the leather gets a stable, easy-care, hard-wearing surface that keeps repairs protected for the long run. \u003cstrong\u003eTop Coat\u003c\/strong\u003e works on vehicles, furniture, bags, shoes and every pigmented leather type. It's not a care cream and it's not a dye — it's the final protective film that finishes the repair and makes it last. Duller steers the sheen, Crosslinker bumps up durability, Soft Slip improves the hand feel. The Top Coat itself is the heart of the finishing process.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon questions about COLOURLOCK Top Coat (Car \u0026amp; Furniture)\u003c\/h2\u003e\n\u003ch4\u003eWhich sheen should I pick?\u003c\/h4\u003e\n\u003cp\u003eMatte for modern car leather, satin for furniture or all-round jobs, glossy for decorative surfaces.\u003c\/p\u003e\n\u003ch4\u003eCan I use Top Coat without Crosslinker?\u003c\/h4\u003e\n\u003cp\u003eYes. For hard-worked surfaces like steering wheels, though, Crosslinker is well worth it.\u003c\/p\u003e\n\u003ch4\u003eHow many coats are best?\u003c\/h4\u003e\n\u003cp\u003eUsually one to two thin coats. More coats add protection, but don't build them up too thick.\u003c\/p\u003e\n\u003ch4\u003eCan Top Coat go on any leather?\u003c\/h4\u003e\n\u003cp\u003eIt's made for pigmented smooth leather and faux leather, not for aniline, nubuck or suede.\u003c\/p\u003e\n\u003ch4\u003eDoes Top Coat change the colour?\u003c\/h4\u003e\n\u003cp\u003eNo, it protects and stabilises the colour without tinting it. The sheen can shift how it reads slightly.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eLast updated: 03.12.2025 — Author: Daniel (Detailing1)\u003c\/small\u003e\u003c\/p\u003e","brand":"Koch-Chemie × COLOURLOCK","offers":[{"title":"1000 ml \/ 1 liter","offer_id":56547098984783,"sku":"D1-KCX-540-1L-01","price":51.99,"currency_code":"EUR","in_stock":true},{"title":"250ml","offer_id":56547099017551,"sku":"D1-KCX-540-250ML-01","price":18.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/540-1L-01_1.png?v=1764799716"},{"product_id":"koch-chemie-colourlock-top-coat-compact-dull-matter-abschlusslack","title":"COLOURLOCK \"Top Coat\" (Compact \/ Dull) Matte Finish Coat for Professional Leather Repair","description":"\u003ch2\u003eCOLOURLOCK Top Coat (Compact \/ Dull) — matte finish coat for professional leather repairs\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat does COLOURLOCK Top Coat Compact Dull do? — The matte finish coat gives colour-repaired leather lasting protection, creates a naturally matte OEM finish and clearly improves resistance to abrasion, sweat and cleaning.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eCOLOURLOCK Top Coat (Compact \/ Dull)\u003c\/strong\u003e is the highly concentrated, matte finish coat for leather repairs, colour refreshes and detailed finishing work. The Compact version delivers maximum protection from a thin application and gives you a tough, authentically matte finish. Perfect for modern automotive leather, high-end furniture and interior surfaces where a natural, matte OEM look is what counts. The coat locks in the colour, protects against abrasion, sweat and everyday wear, and seals the repair for the long haul.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNaturally matte OEM finish\u003c\/strong\u003e – For modern automotive leather, furniture surfaces and any job where you want zero gloss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcentrated protective coat\u003c\/strong\u003e – Very high abrasion and chemical resistance while using very little product.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect repair seal\u003c\/strong\u003e – Locks the colour down solid and gets you durable, professional results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eMatte protective-film technology \u0026amp; how it works\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eTop Coat Compact Dull\u003c\/strong\u003e lays down a tough, flexible matte film that reliably shields the colour layer from mechanical stress and the elements. Modern leather – especially in cars – needs an even, matte way of catching light so repairs stay invisible. The Dull film breaks up light in a controlled way without hiding the grain or leaving greasy-looking patches. Thanks to its compact formula it works in really efficiently, while the leather surface keeps all of its flex. Mix in Crosslinker CD and durability climbs even higher, particularly on steering wheels and hard-worked seat bolsters.\u003c\/p\u003e\n\u003ch3\u003ePrep, application \u0026amp; professional handling\u003c\/h3\u003e\n\u003cp\u003eBefore you start, the leather has to be clean, dry and free of grease. You lay the \u003cstrong\u003eTop Coat Compact Dull\u003c\/strong\u003e down thin and even with a sponge, airbrush or spray gun. Several fine coats improve evenness and protection. The matte formula makes the finish really forgiving and ideal for hiding transitions and blending repairs in visually. If needed, add Duller to fine-tune the sheen or Soft Slip for a softer feel. Once it's fully dry the leather is ready to take everyday use again.\u003c\/p\u003e\n\u003ch3\u003eResults, use cases \u0026amp; how it differs from other Top Coat versions\u003c\/h3\u003e\n\u003cp\u003eAfter the job you get a hard-wearing, naturally matte finish that protects colour repairs and makes them look uniform. \u003cstrong\u003eCompact \/ Dull\u003c\/strong\u003e is ideal for automotive leather, matte furniture surfaces, bags and work leather. The Compact version differs from standard top coats through its higher concentration, stronger protection and more efficient use. Compared with glossier versions, Dull gives you a factory-correct, understated finish, exactly what modern leather calls for.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon questions about COLOURLOCK Top Coat (Compact \/ Dull)\u003c\/h2\u003e\n\u003ch4\u003eWhat is the Dull version especially good for?\u003c\/h4\u003e\n\u003cp\u003eFor matte OEM finishes on vehicle and furniture leather where you don't want any gloss.\u003c\/p\u003e\n\u003ch4\u003eIs the Compact Dull more durable than regular top coats?\u003c\/h4\u003e\n\u003cp\u003eYes. The compact formula offers higher abrasion and sweat resistance.\u003c\/p\u003e\n\u003ch4\u003eCan I add Crosslinker CD?\u003c\/h4\u003e\n\u003cp\u003eYes. On heavily used leather areas it pushes durability up even further.\u003c\/p\u003e\n\u003ch4\u003eWhat's the best way to apply the coat?\u003c\/h4\u003e\n\u003cp\u003eThin, in one to two coats by sponge or spray, depending on the finish you want.\u003c\/p\u003e\n\u003ch4\u003eIs the Top Coat also suitable for synthetic leather?\u003c\/h4\u003e\n\u003cp\u003eYes, as long as it's pigmented, smooth PU\/synthetic leather.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eLast updated: 03\/12\/2025 — Author: Daniel (Detailing1)\u003c\/small\u003e\u003c\/p\u003e","brand":"Koch-Chemie × COLOURLOCK","offers":[{"title":"1000 ml \/ 1 liter","offer_id":56547127165263,"sku":"D1-KCX-541-1L-01","price":52.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/541-1L-01_1.png?v=1778250895"},{"product_id":"koch-chemie-colourlock-top-coat-glossy-glaenzender-abschlusslack","title":"COLOURLOCK \"Top Coat\" (Glossy) Glossy finishing lacquer for professional leather repair","description":"\u003ch2\u003eCOLOURLOCK Top Coat (Glossy) — glossy finishing lacquer for brilliant leather surfaces\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat does COLOURLOCK Top Coat Glossy do? — The glossy finishing lacquer seals colour-repaired leather, protects against abrasion and sweat, and gives an even, high-gloss, premium finish for furniture, fashion and interior leather.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eCOLOURLOCK Top Coat (Glossy)\u003c\/strong\u003e is the professional high-gloss finishing lacquer for any leather repair or colour refresh where you want a brilliant, glossy finish. It locks in the colour layer, protects it reliably against abrasion, sweat and everyday use, and gives you an evenly reflective surface. Perfect for furniture, fashion leather, decorative interior parts, bags and premium accessories – anywhere an elegant gloss finish lifts the look.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrilliant high-gloss finish\u003c\/strong\u003e – Delivers strong light reflection and a premium surface feel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection \u0026amp; sealing\u003c\/strong\u003e – Boosts abrasion, sweat and cleaning resistance of coloured repairs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade for decorative leather\u003c\/strong\u003e – Furniture, accessories, shoes, bags and glossy interior surfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eGloss-film technology \u0026amp; how it works\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eTop Coat Glossy\u003c\/strong\u003e lays down an elastic, highly transparent polymer film that seals the colour layer and at the same time builds a brilliant, mirror-like surface. The formula spreads the light evenly, with no streaks or shiny patches. The lacquer holds up reliably against everyday wear like friction, moisture and sweat, and keeps the colour brilliant for a long time. Pair it with Crosslinker CD and you push the durability of the high-gloss film even further – especially worth it on spots that get touched a lot.\u003c\/p\u003e\n\u003ch3\u003ePrep, application \u0026amp; best practices\u003c\/h3\u003e\n\u003cp\u003eBefore you start, the leather should be clean, grease-free and fully dry. You lay \u003cstrong\u003eTop Coat Glossy\u003c\/strong\u003e down thin and even with a sponge, airbrush or spray gun. One or two coats are enough for a premium high-gloss finish; more coats add depth, but keep each one fine. The lacquer dries clear and flows out smooth, so you get a clean mirror gloss. On demanding surfaces you can add Duller (to dial in the gloss level) or Soft Slip (for a softer feel) – depending on the result you're after.\u003c\/p\u003e\n\u003ch3\u003eResults, uses \u0026amp; how it differs from other top coats\u003c\/h3\u003e\n\u003cp\u003eOnce it's dry you get a long-lasting, high-gloss protective film that visually upgrades coloured leather repairs and makes the material look more premium. \u003cstrong\u003eTop Coat Glossy\u003c\/strong\u003e works beautifully on decorative furniture, bags, shoes, accessories, glossy interior elements and fashion leather. Compared to matt or satin variants, Glossy is the right call when you want brilliant reflections, deep richness and a polished look. Combined with leather dyes it's the perfect finish for a premium look \u0026amp; solid protection.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon questions about COLOURLOCK Top Coat (Glossy)\u003c\/h2\u003e\n\u003ch4\u003eWhich leather types is the Glossy Top Coat made for?\u003c\/h4\u003e\n\u003cp\u003eFor pigmented smooth leather and synthetic leather – ideal for furniture, bags and decorative surfaces.\u003c\/p\u003e\n\u003ch4\u003eCan I combine Glossy with Crosslinker CD?\u003c\/h4\u003e\n\u003cp\u003eYes – especially on heavily used spots, it boosts durability noticeably.\u003c\/p\u003e\n\u003ch4\u003eHow many coats do I need?\u003c\/h4\u003e\n\u003cp\u003eUsually one or two thin coats for the best gloss and protection.\u003c\/p\u003e\n\u003ch4\u003eCan Glossy go over matt repairs?\u003c\/h4\u003e\n\u003cp\u003eYes, but the finish then turns glossy. For matt looks, Top Coat Dull is the better pick.\u003c\/p\u003e\n\u003ch4\u003eDoes Glossy change the colour?\u003c\/h4\u003e\n\u003cp\u003eNo, it just deepens the colour through the added gloss.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eLast updated: 04.12.2025 — Author: Daniel (Detailing1)\u003c\/small\u003e\u003c\/p\u003e","brand":"Koch-Chemie × COLOURLOCK","offers":[{"title":"1000 ml \/ 1 liter \/ Glossy","offer_id":56547143156047,"sku":"D1-KCX-543-1L-01","price":41.99,"currency_code":"EUR","in_stock":true},{"title":"250ml \/ Glossy","offer_id":56547143188815,"sku":"D1-KCX-543-250ML-01","price":18.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/543-1L-01_1.png?v=1778250898"},{"product_id":"koch-chemie-colourlock-wax-slip-top-coat-zusatz-wachsartige-oberflaechen","title":"COLOURLOCK \"Wax Slip\" Top Coat additive for waxy surfaces","description":"\u003ch2\u003eCOLOURLOCK Wax Slip — Top Coat additive for waxy, naturally grippy leather surfaces\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat does COLOURLOCK Wax Slip do? — The additive gives COLOURLOCK Top Coats a waxy, grippy-matte feel and creates a natural, slightly waxy OEM finish on leather and synthetic leather.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eCOLOURLOCK Wax Slip\u003c\/strong\u003e is the specialist additive for COLOURLOCK Top Coats when you want a waxy, slightly grippy and naturally matte surface. Plenty of modern automotive, furniture and interior leathers have exactly that subtle, waxy-grippy feel that makes a repair look genuinely original. Wax Slip tweaks the surface energy of the Top Coat, so the finish never feels slick or glossy — it feels satisfyingly full, natural and high-end.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaxy feel\u003c\/strong\u003e – Gives you the grippy, natural surface you see on modern OEM automotive leather.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTuned feel in the finish\u003c\/strong\u003e – Ideal for leather that's meant to look less slick on purpose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMixes with other Top Coat additives\u003c\/strong\u003e – Works with Duller, Crosslinker \u0026amp; Soft Slip.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eFeel \u0026amp; wax-film technology in the Top Coat\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWax Slip\u003c\/strong\u003e is built on fine, structure-forming wax additives that stay embedded in the top layer as the Top Coat dries. That gives you a grippy-matte, slightly waxy surface, the kind you get on modern matte leathers. The additives change the micro-structure of the coating without touching its opacity. The leather looks less slick, feels fuller and reflects light more naturally. On repairs to steering wheels, seat cushions, armrests or furniture panels it lets you build an extremely authentic OEM finish.\u003c\/p\u003e\n\u003ch3\u003eMixing, application \u0026amp; best practice for an authentic feel\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWax Slip\u003c\/strong\u003e goes straight into the COLOURLOCK Top Coat. How much you add sets the level of waxy grip: a little gives a subtle feel, more builds a clearer, fuller grip. Once it's mixed in well, you lay the modified Top Coat down as usual with a spray gun, airbrush or sponge. Paired with Duller (for matte), Soft Slip (for softer) or Crosslinker CD (for durability), you can dial the final finish in to match the original leather exactly. Lay it down evenly so the feel stays consistent across the whole panel.\u003c\/p\u003e\n\u003ch3\u003eResults, where to use it \u0026amp; how it differs from Soft Slip \/ Duller\u003c\/h3\u003e\n\u003cp\u003eOnce it's dry you get a slightly grippy, waxy surface that feels genuinely natural and high-end. \u003cstrong\u003eWax Slip\u003c\/strong\u003e is ideal for matte automotive leather, interior zones, furniture, bags and any leather with a “waxy OEM finish”. Next to Soft Slip (velvety softness), Wax Slip gives a grippier, more natural feel. Duller controls the gloss, Wax Slip shapes the surface texture. Together they get you an extremely authentic, factory-original leather look.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon questions about COLOURLOCK Wax Slip\u003c\/h2\u003e\n\u003ch4\u003eDoes Wax Slip change the gloss level?\u003c\/h4\u003e\n\u003cp\u003eOnly marginally. For real matting, Duller is the one to reach for.\u003c\/p\u003e\n\u003ch4\u003eCan I combine Wax Slip with Soft Slip?\u003c\/h4\u003e\n\u003cp\u003eYes — you'll get a mix of velvety and waxy-grippy feel.\u003c\/p\u003e\n\u003ch4\u003eDoes the surface get slippery?\u003c\/h4\u003e\n\u003cp\u003eNo. Wax Slip is built to add grip, not slickness.\u003c\/p\u003e\n\u003ch4\u003eDoes Wax Slip work on synthetic leather too?\u003c\/h4\u003e\n\u003cp\u003eYes, the effect comes through just as well there.\u003c\/p\u003e\n\u003ch4\u003eWhen do you use Wax Slip?\u003c\/h4\u003e\n\u003cp\u003eAs an additive in the final Top Coat – after colour, binder or texture repair.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eLast updated: 04.12.2025 — Author: Daniel (Detailing1)\u003c\/small\u003e\u003c\/p\u003e","brand":"Koch-Chemie × COLOURLOCK","offers":[{"title":"250ml","offer_id":56562378604879,"sku":"D1-KCX-626-250ML-01","price":24.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/626-250ML-01_1_d0121c88-fd76-42cc-8437-1ff7d9ac7de0.png?v=1778250903"},{"product_id":"koch-chemie-colourlock-top-coat-high-gloss-hochglaenzender-abschlusslack","title":"COLOURLOCK \"Top Coat\" (High Gloss) high-gloss finishing lacquer for professional leather repair","description":"\u003ch2\u003eCOLOURLOCK Top Coat (High Gloss) — high-gloss finishing lacquer for brilliant leather surfaces\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat does COLOURLOCK Top Coat High Gloss do? — The high-gloss finishing lacquer gives colour-repaired leather lasting protection and creates an extremely brilliant, mirror-like high-gloss finish for decorative furniture, fashion and interior leather.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eCOLOURLOCK Top Coat (High Gloss)\u003c\/strong\u003e is the intensely glossy premium finishing lacquer for leather repairs and colour refreshes when you want maximum brilliance and a mirror-like surface. It seals the colour coat reliably, protects against abrasion, sweat and everyday wear, and gives a deep, glossy, high-end look. For furniture, fashion leather, accessories, decorative interior parts and showroom finishes, the high-gloss lacquer is the ideal pick.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum high-gloss finish\u003c\/strong\u003e – For mirror-like, brilliant surfaces with strong light reflection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection \u0026amp; sealing\u003c\/strong\u003e – Boosts resistance to abrasion, sweat and cleaning agents.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal for decorative work\u003c\/strong\u003e – Furniture, accessories, fashion items, interior parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eHigh-gloss film technology \u0026amp; how it works\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eTop Coat High Gloss\u003c\/strong\u003e dries to a highly transparent, mirror-glossy polymer film that protects the colour underneath and deepens its effect. The formula gives even light reflection and keeps matte spots or hazing from forming. Thanks to the high transparency the shade stays unchanged, but reads noticeably more brilliant. Combined with Crosslinker CD, you can push durability even further under heavier stress.\u003c\/p\u003e\n\u003ch3\u003ePrep, application \u0026amp; best practices\u003c\/h3\u003e\n\u003cp\u003eThe leather has to be clean, dry and grease-free. You lay \u003cstrong\u003eTop Coat High Gloss\u003c\/strong\u003e down thinly with a sponge, airbrush or spray gun. One or two coats already get you a deep high gloss; extra coats build the mirror shine but should go on fine. The lacquer flows out smoothly and dries crystal-clear. For a softer hand feel you can add Soft Slip, and for precise gloss control Duller works as a counter-component only before the high-gloss stage.\u003c\/p\u003e\n\u003ch3\u003eResults, uses \u0026amp; where it fits\u003c\/h3\u003e\n\u003cp\u003eThe result is an extremely glossy, brilliant protective film that visually upgrades the leather and gives professional repairs a real finish. \u003cstrong\u003eHigh Gloss\u003c\/strong\u003e is the right call for decorative furniture, designer pieces, bags, fashion leather, faux leather and glossy interiors. Compared to Top Coat Glossy, High Gloss gives you even more depth, mirror effect and brilliance – ideal for premium finishes or eye-catching designs.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon questions about COLOURLOCK Top Coat (High Gloss)\u003c\/h2\u003e\n\u003ch4\u003eHow does High Gloss differ from Glossy?\u003c\/h4\u003e\n\u003cp\u003eHigh Gloss gives a stronger mirror shine, higher brilliance and a deeper effect.\u003c\/p\u003e\n\u003ch4\u003eWhich leather types is High Gloss suited to?\u003c\/h4\u003e\n\u003cp\u003ePigmented smooth leather and faux leather, especially decorative surfaces.\u003c\/p\u003e\n\u003ch4\u003eCan I mix the lacquer with Crosslinker CD?\u003c\/h4\u003e\n\u003cp\u003eYes – for maximum durability it's explicitly recommended.\u003c\/p\u003e\n\u003ch4\u003eDoes High Gloss change the shade?\u003c\/h4\u003e\n\u003cp\u003eNo, it doesn't darken the tone, but it visibly deepens the colour.\u003c\/p\u003e\n\u003ch4\u003eHow many coats should I apply?\u003c\/h4\u003e\n\u003cp\u003eOne or two thin coats are enough; extra coats build the gloss.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eLast updated: 06.12.2025 — Author: Daniel (Detailing1)\u003c\/small\u003e\u003c\/p\u003e","brand":"Koch-Chemie × COLOURLOCK","offers":[{"title":"1000 ml \/ 1 liter","offer_id":56576327221583,"sku":"D1-KCX-625-1L-01","price":66.99,"currency_code":"EUR","in_stock":true},{"title":"250ml","offer_id":56576327254351,"sku":"D1-KCX-625-250ML-01","price":23.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/625-1L-01_1.png?v=1765206110"},{"product_id":"koch-chemie-colourlock-thickener-verdickungs-additiv","title":"COLOURLOCK \"Thickener\" additive for thickening coloured filler","description":"\u003ch2\u003eCOLOURLOCK Thickener — additive for thickening coloured filler for precise leather repairs\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat does COLOURLOCK Thickener do? — The additive raises the viscosity of coloured filler, gives you more control during application and lets you do precise structure and edge repairs without running or slumping.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eCOLOURLOCK Thickener\u003c\/strong\u003e is the pro additive for thickening coloured filler (Fluid Leather \/ leather filler) exactly where you need it. It keeps filler standing stable, stops it running and makes it easier to shape – ideal for deeper scratches, cracks, chipped edges and structural repairs on leather and synthetic leather. Thickener lets you work in control, holds its shape better and gives you a reliable base for the colour and finish coats that follow.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBetter stand-up strength\u003c\/strong\u003e – filler stays where it belongs, without slumping or flattening out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise shaping\u003c\/strong\u003e – ideal for edges, deep defects and textured areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorks with COLOURLOCK fillers\u003c\/strong\u003e – pairs perfectly with coloured filler and structural repair products.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eViscosity technology \u0026amp; how it works\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThickener\u003c\/strong\u003e changes the rheology of the coloured filler without touching its adhesion, elasticity or colour. The additive makes the filler thicker, more shape-stable and easier to control. That matters most on vertical surfaces or repairs where you have to model the material – around edges, deep grooves or worn seat bolsters. The formula stops it sinking back as it dries and gives you a precise, even repair.\u003c\/p\u003e\n\u003ch3\u003eApplication, dosing \u0026amp; best practice\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThickener\u003c\/strong\u003e goes straight into the coloured filler. Even small amounts are enough to hit the viscosity you want. Once it's stirred in you get a mouldable, easy-to-control mass you can work with a spatula, brush or fine application technique. The key is to dose it step by step so you don't over-thicken. After you lay it down, sand the repair, texture it (if needed) and finish the colour. Thickener lifts repair quality noticeably – especially on tricky shapes.\u003c\/p\u003e\n\u003ch3\u003eResults, uses \u0026amp; benefits\u003c\/h3\u003e\n\u003cp\u003eWith \u003cstrong\u003eThickener\u003c\/strong\u003e your filler work comes out cleaner, sharper and truer to shape. Repairs on edges, deep scratches and textured leather look more even and hold up better. It really shows its strengths on automotive leather, furniture repairs, bags, shoes and interior parts. It rounds out coloured filler perfectly, but it doesn't replace a primer or colour coats – it only optimises how the material handles and stands up.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon questions about COLOURLOCK Thickener\u003c\/h2\u003e\n\u003ch4\u003eHow much Thickener should I add?\u003c\/h4\u003e\n\u003cp\u003eOnly small amounts. Dose it step by step until you hit the viscosity you want.\u003c\/p\u003e\n\u003ch4\u003eDoes Thickener change the colour of the filler?\u003c\/h4\u003e\n\u003cp\u003eNo. It only affects the consistency, not the shade.\u003c\/p\u003e\n\u003ch4\u003eCan I use Thickener with any COLOURLOCK filler?\u003c\/h4\u003e\n\u003cp\u003eYes, it's made for exactly that and works with coloured filler.\u003c\/p\u003e\n\u003ch4\u003eIs Thickener suitable for large areas too?\u003c\/h4\u003e\n\u003cp\u003eYes, especially handy on structural repairs or vertical areas.\u003c\/p\u003e\n\u003ch4\u003eDoes Thickener affect durability?\u003c\/h4\u003e\n\u003cp\u003eNo. The filler stays just as tough; the application just gets more precise.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eLast updated: 06.12.2025 — Author: Daniel (Detailing1)\u003c\/small\u003e\u003c\/p\u003e","brand":"Koch-Chemie × COLOURLOCK","offers":[{"title":"100ml","offer_id":56584171422031,"sku":"D1-KCX-624-100ML-01","price":31.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/624-100ML-01_1.png?v=1778250907"},{"product_id":"koch-chemie-colourlock-stitch-covering-gel-schutzgel-faerbeprozess","title":"COLOURLOCK \"Stitch Covering Gel\" protective gel for masking seams and logos during the dyeing process","description":"\u003ch2\u003eCOLOURLOCK Stitch Covering Gel — protective gel for masking seams during the dyeing process\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat is COLOURLOCK Stitch Covering Gel for? — The gel protects seams, contrast stitching and light threads while you dye, and stops colour from bleeding into the seam or darkening it.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eCOLOURLOCK Stitch Covering Gel\u003c\/strong\u003e is a specialised protective gel that reliably masks seams, light threads and contrast stitching all through the dyeing process. Plenty of leather in the automotive, furniture and fashion world carries light or decorative stitching that shouldn't pick up any colour when you dye. The gel keeps dye out of the seam structure, so the clean, high-contrast stitch pattern stays fully intact.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtects seams while dyeing\u003c\/strong\u003e – Keeps leather dye out of the stitching threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal for contrast stitching\u003c\/strong\u003e – Preserves light stitching on dark leather.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully controllable\u003c\/strong\u003e – Goes on precisely and comes off without a trace.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eProtective-film technology \u0026amp; how it works\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eStitch Covering Gel\u003c\/strong\u003e forms a temporary, flexible barrier over the seam. The gel body sits on the threads without running or affecting the surface, and blocks colour uptake for the whole dyeing process. Once applied, the gel dries slightly but stays elastic, so it lifts off easily after the dye or top-coat step. That keeps the threads clean, light and visually untouched – a make-or-break detail on high-end OEM interiors and designer leather goods.\u003c\/p\u003e\n\u003ch3\u003eApplication, laydown \u0026amp; best-practice tips\u003c\/h3\u003e\n\u003cp\u003ePrep and clean the leather as usual. Then lay the \u003cstrong\u003eStitch Covering Gel\u003c\/strong\u003e down precisely on the seams with a brush, fine nozzle or spatula. A thin, even film is enough. After that you can dye, dab or spray as normal without any colour creeping into the seam. Once the dye has dried, gently rub or rinse the gel away – the seam comes back clean and in its original colour. Ideal for light stitching on dark seat bolsters, steering wheels, furniture edges, bags or shoes.\u003c\/p\u003e\n\u003ch3\u003eResults, uses \u0026amp; benefits\u003c\/h3\u003e\n\u003cp\u003eAfter the job the seams stay crisp, precise and unstained, while the leather surface takes the dye evenly all over. \u003cstrong\u003eStitch Covering Gel\u003c\/strong\u003e works on automotive leather, furniture covers, bags, shoes, equestrian gear and anywhere contrast stitching is part of the design. It's not a filler and not a dye — it's a temporary protective film that keeps the pro look of high-end leather work.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon questions about COLOURLOCK Stitch Covering Gel\u003c\/h2\u003e\n\u003ch4\u003eCan I use the gel on any seam?\u003c\/h4\u003e\n\u003cp\u003eYes, on light, dark, thick and fine seams – it protects every common thread type.\u003c\/p\u003e\n\u003ch4\u003eHow do I get the gel off again?\u003c\/h4\u003e\n\u003cp\u003eAfter dyeing, just rub it off gently or lift it with a slightly damp cloth.\u003c\/p\u003e\n\u003ch4\u003eCan the gel affect the colour?\u003c\/h4\u003e\n\u003cp\u003eNo, it only acts as a barrier over the seam and doesn't change how the dye goes on.\u003c\/p\u003e\n\u003ch4\u003eDoes it work with spray application too?\u003c\/h4\u003e\n\u003cp\u003eYes, the protective film reliably blocks fine colour mist as well.\u003c\/p\u003e\n\u003ch4\u003eDoes the seam stay soft after removal?\u003c\/h4\u003e\n\u003cp\u003eYes, because the gel contains no hardening components.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eLast updated: 07.12.2025 — Author: Daniel (Detailing1)\u003c\/small\u003e\u003c\/p\u003e","brand":"Koch-Chemie × COLOURLOCK","offers":[{"title":"20 ml","offer_id":56584231616847,"sku":"D1-KCX-622-20ML-01","price":19.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/622-20ML-01_1.png?v=1778250909"},{"product_id":"koch-chemie-colourlock-blocker-sperrschicht-verfaerbungen","title":"COLOURLOCK \"Blocker\" barrier coat against bleed-through discolouration","description":"\u003ch2\u003eCOLOURLOCK Blocker — barrier coat against discolouration on leather\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat is COLOURLOCK Blocker for? — The Blocker forms an insulating barrier coat on leather that stops discolouration, bleed-through or dye migration from the base coming through to the surface.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eCOLOURLOCK Blocker\u003c\/strong\u003e is a dedicated barrier coat you lay down before dyeing or sealing to reliably stop discolouration and dye bleed-through. On tricky leather in particular – after pulling denim rub-off, over old repairs, nicotine staining or heavily contaminated surfaces – the Blocker keeps leftover pigment or dissolved dyes from showing through again later. That gives you a clean, stable base for a colour result that stays even over time.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEffective barrier coat\u003c\/strong\u003e – Blocks discolouration, bleed-through and dye migration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal repair base\u003c\/strong\u003e – Stabilises difficult substrates before dyeing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA must on problem leather\u003c\/strong\u003e – Perfect after GLD Solvent, heavy cleaning or degreasing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eBarrier technology \u0026amp; how it works\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBlocker\u003c\/strong\u003e lays down a thin, transparent insulating film that stops any leftover dyes, oil residue or contaminants from deeper layers migrating up to the surface. That barrier is key when the leather has been heavily cleaned, stripped of colour or chemically treated beforehand. The Blocker stabilises the surface without sealing it the way a Top Coat does, and stays open enough for the following colour or finish products to grip properly.\u003c\/p\u003e\n\u003ch3\u003eApplication, laydown \u0026amp; best practices\u003c\/h3\u003e\n\u003cp\u003eAfter a deep clean or using products like Degreaser or GLD Solvent, you lay \u003cstrong\u003eCOLOURLOCK Blocker\u003c\/strong\u003e down thin and even with a sponge or by spraying. Let the coat dry fully before you bring on colour, Leather Fresh or leather dye. On really critical jobs a second thin coat can make sense. What matters is an even laydown so the barrier effect stays consistent across the whole area. After that you can go on with the regular colour and finish build-up.\u003c\/p\u003e\n\u003ch3\u003eResults, uses \u0026amp; where it fits\u003c\/h3\u003e\n\u003cp\u003eOnce applied, the leather surface stays colour-stable and free of discolouration coming back. \u003cstrong\u003eCOLOURLOCK Blocker\u003c\/strong\u003e is a perfect fit for automotive leather, furniture, bags and interior parts with a known bleed-through problem. It's not a cleaner, not a filler and not a Top Coat, but a prep product that goes in between cleaning and colour. On light-coloured leather especially, the Blocker is what gets you a clean result that lasts.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon questions about COLOURLOCK Blocker\u003c\/h2\u003e\n\u003ch4\u003eWhen do I need a blocker?\u003c\/h4\u003e\n\u003cp\u003eAny time you'd expect discolouration or dye bleed-through after dyeing.\u003c\/p\u003e\n\u003ch4\u003eDoes blocker make sense on light leather?\u003c\/h4\u003e\n\u003cp\u003eYes, on light leather especially it stops dark shadows creeping back later.\u003c\/p\u003e\n\u003ch4\u003eCan I dye straight after?\u003c\/h4\u003e\n\u003cp\u003eYes, as soon as the Blocker has dried fully.\u003c\/p\u003e\n\u003ch4\u003eDoes blocker replace the Top Coat?\u003c\/h4\u003e\n\u003cp\u003eNo. Blocker is a barrier coat, Top Coat is the final protection.\u003c\/p\u003e\n\u003ch4\u003eCan blocker be used on all leather?\u003c\/h4\u003e\n\u003cp\u003eOn pigmented smooth leather, yes. Not for nubuck, suede or aniline leather.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eLast updated: 11.12.2025 — Author: Daniel (Detailing1)\u003c\/small\u003e\u003c\/p\u003e","brand":"Koch-Chemie × COLOURLOCK","offers":[{"title":"1000 ml \/ 1 liter","offer_id":56616626389327,"sku":"D1-KCX-603-1L-01","price":79.99,"currency_code":"EUR","in_stock":true},{"title":"100ml","offer_id":56616626422095,"sku":"D1-KCX-603-100ML-01","price":31.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/603-1L-01_1.png?v=1765658063"},{"product_id":"koch-chemie-colourlock-top-life-oberflaechenschutz-faerbung","title":"COLOURLOCK \"Top Life\" Surface Protection After Dyeing","description":"\u003ch2\u003eCOLOURLOCK Top Life — surface protection after dyeing for long-lasting leather\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat is COLOURLOCK Top Life for? — This surface protection stabilises freshly dyed leather, shields the colour coat from abrasion, sweat and friction, and clearly extends the life of a repair or dye job.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eCOLOURLOCK Top Life\u003c\/strong\u003e is a dedicated surface protection you lay down after dyeing or refreshing leather. It builds a thin, clear protective layer that locks in the new colour coat and shields it from mechanical abrasion, skin oils, sweat and everyday use. On freshly dyed leather especially, Top Life keeps the result stable, lets it age evenly and holds its look for longer.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocks in the colour coat\u003c\/strong\u003e – Protects fresh colour from early wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtends durability\u003c\/strong\u003e – Cuts down wear from friction, sweat and daily use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInvisible protective film\u003c\/strong\u003e – Doesn't knock back gloss or feel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eProtective-film technology \u0026amp; how it works\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eTop Life\u003c\/strong\u003e builds a flexible, breathable film over the dyed leather once it's on. That film stabilises the pigment layer without making it hard or brittle, and stops colour rubbing off or smearing too soon. At the same time the layer works as a barrier against dirt particles, skin oils and sweat — the very things that would otherwise cut the life of freshly dyed leather short.\u003c\/p\u003e\n\u003ch3\u003eApplication, coating \u0026amp; best practice\u003c\/h3\u003e\n\u003cp\u003eAfter dyeing or refreshing, let the leather dry all the way through. \u003cstrong\u003eCOLOURLOCK Top Life\u003c\/strong\u003e goes on thin and even with a soft cloth or sponge. After a short flash-off it soaks in with no residue. On high-wear spots like seats, steering wheels, armrests or furniture edges, Top Life is worth adding as an extra protective step before regular use. Repeat it as often as you need.\u003c\/p\u003e\n\u003ch3\u003eResults, uses \u0026amp; where it fits\u003c\/h3\u003e\n\u003cp\u003eAfter use the leather is tougher, more colour-stable and easier to look after. \u003cstrong\u003eTop Life\u003c\/strong\u003e suits freshly dyed or refreshed automotive leather, furniture, bags, shoes and accessories. It doesn't replace a top coat on structural repairs — it's an extra surface protection after dyeing, especially when you're not building up a fresh clear coat.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon questions about COLOURLOCK Top Life\u003c\/h2\u003e\n\u003ch4\u003eWhen do I apply Top Life?\u003c\/h4\u003e\n\u003cp\u003eOnce leather dye or Leather Fresh has dried completely.\u003c\/p\u003e\n\u003ch4\u003eDoes Top Life change the gloss?\u003c\/h4\u003e\n\u003cp\u003eNo, it's clear and keeps the existing gloss level.\u003c\/p\u003e\n\u003ch4\u003eIs Top Life a replacement for Top Coat?\u003c\/h4\u003e\n\u003cp\u003eNo. Top Coat is a clear coat, Top Life an extra surface protection.\u003c\/p\u003e\n\u003ch4\u003eWhich leather types is it for?\u003c\/h4\u003e\n\u003cp\u003eFor pigmented smooth leather after dyeing or refreshing work.\u003c\/p\u003e\n\u003ch4\u003eHow often should Top Life be renewed?\u003c\/h4\u003e\n\u003cp\u003eRegularly, depending on use — especially on high-wear areas.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eLast updated: 12\/12\/2025 — Author: Daniel (Detailing1)\u003c\/small\u003e\u003c\/p\u003e","brand":"Koch-Chemie × COLOURLOCK","offers":[{"title":"1000 ml \/ 1 liter","offer_id":56616668725583,"sku":"D1-KCX-599-1L-01","price":192.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/599-1L-01_1.png?v=1778250916"},{"product_id":"koch-chemie-colourlock-top-coat-dull-matter-abschlusslack","title":"COLOURLOCK \"Top Coat\" (Dull) Matte Sealing Lacquer for Professional Leather Repair","description":"\u003ch2\u003eCOLOURLOCK Top Coat (Dull) — matte sealing lacquer for an original leather look\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat is COLOURLOCK Top Coat Dull used for? — The matte sealing lacquer seals repaired or recoloured leather, protects the surface against abrasion and gives you an even, original matte look with no shine.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eCOLOURLOCK Top Coat (Dull)\u003c\/strong\u003e is a matte sealing lacquer for the professional finishing of leather surfaces after repair or recolouring work. It reliably protects the colour layer against abrasion, friction, skin oils and everyday wear, and at the same time builds an even, natural matte look. On modern automotive leather, furniture and interior parts in particular, a matte finish is what keeps the original appearance intact.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOriginal matte look\u003c\/strong\u003e – No unwanted shine, an even finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtects colour \u0026amp; repairs\u003c\/strong\u003e – Cuts down abrasion and premature wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional sealing\u003c\/strong\u003e – For long-lasting, hard-wearing leather surfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eSealing-lacquer technology \u0026amp; how it works\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eTop Coat (Dull)\u003c\/strong\u003e forms a fine, flexible protective film over the leather colour or the repair build-up. The matte formula scatters light on purpose, which kills the shine and gives you an authentic, factory look. The surface stays flexible too, so it moves with the leather instead of fighting it. The lacquer reliably protects against mechanical stress without leaving the leather feeling hard or artificial.\u003c\/p\u003e\n\u003ch3\u003eApplication, layering \u0026amp; best practices\u003c\/h3\u003e\n\u003cp\u003eOnce the leather colour or repair build-up has dried fully, you lay down \u003cstrong\u003eCOLOURLOCK Top Coat (Dull)\u003c\/strong\u003e thin and even. Best applied by spray or with a fine-pored sponge in several light coats. Give it enough flash-off time between coats. For high-wear areas you can mix the top coat with a crosslinker (e.g. IC2) to push durability even further.\u003c\/p\u003e\n\u003ch3\u003eResults, where it fits \u0026amp; where it doesn't\u003c\/h3\u003e\n\u003cp\u003eOnce cured, the leather surface is matte, even and noticeably tougher. \u003cstrong\u003eTop Coat (Dull)\u003c\/strong\u003e works on car seats, steering wheels, door panels, furniture, bags and other pigmented smooth-leather surfaces. It's not a care product — it's a functional sealing lacquer for repair and recolouring work. Next to glossy or high-gloss versions, it gives you a subtle, original finish with no reflections.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon questions about COLOURLOCK Top Coat (Dull)\u003c\/h2\u003e\n\u003ch4\u003eWhen do I use the matte top coat?\u003c\/h4\u003e\n\u003cp\u003eAny time you want an original, non-glossy leather finish.\u003c\/p\u003e\n\u003ch4\u003eCan I adjust the level of shine?\u003c\/h4\u003e\n\u003cp\u003eYes, by mixing it with Duller or other top-coat versions.\u003c\/p\u003e\n\u003ch4\u003eIs Top Coat Dull abrasion-resistant?\u003c\/h4\u003e\n\u003cp\u003eYes, especially combined with a crosslinker like Crosslinker IC2.\u003c\/p\u003e\n\u003ch4\u003eWhich leather types is it for?\u003c\/h4\u003e\n\u003cp\u003eFor pigmented smooth leather and many faux-leather surfaces.\u003c\/p\u003e\n\u003ch4\u003eDoes the top coat replace conditioning?\u003c\/h4\u003e\n\u003cp\u003eNo, it seals. Conditioning is done separately once it has cured fully.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eLast updated: 12\/12\/2025 — Author: Daniel (Detailing1)\u003c\/small\u003e\u003c\/p\u003e","brand":"Koch-Chemie × COLOURLOCK","offers":[{"title":"1000 ml \/ 1 liter","offer_id":56616780431695,"sku":"D1-KCX-595-1L-01","price":41.99,"currency_code":"EUR","in_stock":true},{"title":"250ml","offer_id":56616780464463,"sku":"D1-KCX-595-250ML-01","price":18.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/595-1L-01_1.png?v=1765660874"},{"product_id":"koch-chemie-colourlock-nubuck-fresh-neutral-neutrale-farbauffrischerbasis-nubukleder","title":"COLOURLOCK \"Nubuck Fresh\" (Neutral) neutral colour-refresher base for nubuck and open-pore leather","description":"\u003ch2\u003eCOLOURLOCK Nubuck Fresh (Neutral) — colour-neutral revival for nubuck \u0026amp; suede\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eWhat is COLOURLOCK Nubuck Fresh Neutral for? — This colour-neutral revival visibly freshens up nubuck and suede, evens out matte patches and brings the surface back to life, all without shifting the colour.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eCOLOURLOCK Nubuck Fresh (Neutral)\u003c\/strong\u003e is a colourless revival for nubuck, suede and rough leather. It's built to make tired, washed-out or blotchy leather look even and fresh again, without touching the original colour. Perfect whenever the leather just looks flat but doesn't actually need a colour fix — spot on for shoes, bags, jackets, furniture and car interiors with suede.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour-neutral revival\u003c\/strong\u003e – Brings the look back without changing the colour.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEvens out matte patches\u003c\/strong\u003e – For a more uniform finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade for nubuck \u0026amp; suede\u003c\/strong\u003e – Keeps that soft, velvety nap intact.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eRevival technology \u0026amp; how it works\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eNubuck Fresh (Neutral)\u003c\/strong\u003e runs on a finely tuned formula that settles evenly across the leather fibres and lifts the surface visually, without sealing it or gluing the nap together. The open, velvety structure that makes nubuck and suede what they are stays fully intact. It knocks back pale rub marks and leaves the leather looking richer, more even and better cared for — with zero colour laid down.\u003c\/p\u003e\n\u003ch3\u003eHow to use it, application \u0026amp; best practice\u003c\/h3\u003e\n\u003cp\u003eBefore you start, the leather should be dry and clean. Spray \u003cstrong\u003eCOLOURLOCK Nubuck Fresh (Neutral)\u003c\/strong\u003e on evenly from about 20–30 cm. Then let it dry properly and brush the surface lightly with a nubuck or crepe brush to lift the nap back up. Repeat if you need to. One thing that really matters: go easy on the spray, so the leather keeps its open pores.\u003c\/p\u003e\n\u003ch3\u003eResults, where it fits \u0026amp; where it doesn't\u003c\/h3\u003e\n\u003cp\u003eAfterwards the leather looks fresher, more even and clearly better kept, without going darker or blotchy. \u003cstrong\u003eNubuck Fresh (Neutral)\u003c\/strong\u003e suits suede in the car, furniture, shoes, bags, jackets and accessories. It's not a waterproofing spray and not a colour product — it's a visual pick-me-up. For extra protection against damp and dirt, follow up with a matching impregnation.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon questions about COLOURLOCK Nubuck Fresh (Neutral)\u003c\/h2\u003e\n\u003ch4\u003eDoes Nubuck Fresh Neutral change the colour?\u003c\/h4\u003e\n\u003cp\u003eNo, it only freshens the look, without shifting the colour.\u003c\/p\u003e\n\u003ch4\u003eDoes it work on suede too?\u003c\/h4\u003e\n\u003cp\u003eYes, it works on nubuck, suede and plenty of suede-type leathers.\u003c\/p\u003e\n\u003ch4\u003eCan I use it inside the car?\u003c\/h4\u003e\n\u003cp\u003eYes, it's ideal for Alcantara-style suede and nubuck areas in the car.\u003c\/p\u003e\n\u003ch4\u003eDo I need to brush afterwards?\u003c\/h4\u003e\n\u003cp\u003eYes, a light brush once it's dry gives you that typical velvety look.\u003c\/p\u003e\n\u003ch4\u003eDoes Nubuck Fresh replace a waterproofing?\u003c\/h4\u003e\n\u003cp\u003eNo, it's a revival. For protection you should impregnate on top.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eLast updated: 12.12.2025 — Author: Daniel (Detailing1)\u003c\/small\u003e\u003c\/p\u003e","brand":"Koch-Chemie × COLOURLOCK","offers":[{"title":"Neutral \/ 1000 ml \/ 1 liter","offer_id":56616803991887,"sku":"D1-KCX-551-1L-01","price":51.99,"currency_code":"EUR","in_stock":true},{"title":"Neutral \/ 100ml","offer_id":56616804024655,"sku":"D1-KCX-551-250ML-01","price":25.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/551-1L-01_1.png?v=1765662450"},{"product_id":"koch-chemie-colourlock-leather-colour-lederfarbe-fuer-oberflaechengefaerbte-glattleder","title":"COLOURLOCK \"Leather Colour\" Leather Dye for Surface-Pigmented Smooth Leather","description":"\u003ch2 id=\"speakable-headline\"\u003eLeather dye for worn smooth leather in the OEM shade\u003c\/h2\u003e\n\n\u003cblockquote id=\"speakable-summary\"\u003e\n  \u003cp\u003e\u003cem\u003eWhat is COLOURLOCK Leather Colour? A water-based leather dye for refreshing surface-pigmented smooth leather in cars and on furniture. 32 shades from black and havana to bright pink and metallic effects, in 100 ml, 250 ml and 1 litre. Not suitable for aniline, nubuck or suede, and it's no crack repair — that's what Fluid Leather is for.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\n\u003chr\u003e\n\n\u003cp id=\"speakable-definition\"\u003e\u003cstrong\u003eCOLOURLOCK Leather Colour\u003c\/strong\u003e is a water-based \u003cstrong\u003eleather dye\u003c\/strong\u003e from Koch-Chemie × COLOURLOCK for pigmented, surface-dyed smooth leather in cars and furniture. For decades the product was known as \"Leder Fresh\"; since Koch-Chemie took it over it goes by Leather Colour internationally. The water-based polymer blend dries to a thin, elastic colour film that bonds straight into the leather's existing pigment layer. What that means for you: no rigid coat of paint sitting on top, but a flexible colour bond that moves with every shift on the seat and won't crack.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM colour match by VIN or colour code from 32 standard shades.\u003c\/strong\u003e The range covers the most common car and furniture colours — from black and tar black through havana, caramel and chocolate to red-brown, bordeaux, fir green, deep blue and violet. On top of that, seven bright colours (bright yellow, bright green, bright orange, bright pink, bright red) and five metallics in gold, silver, copper, brass and pearl. BMW Dakota, Mercedes Nappa, Audi Valcona and Porsche Club can usually be matched straight from this palette with no custom mix — an edge that cheap rivals just don't give you.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eScales from the steering wheel up to a full interior.\u003c\/strong\u003e A 250 ml bottle, dabbed on with a sponge, is good for roughly four to six worn steering wheels or two yellowed seat bolsters. The 1 litre bottle is built for upholsterers and reconditioners — with a compressed-air sprayer and a reactive hardener it covers about a full saloon interior, seats and door cards included. The 100 ml size is the metallic and bright-colour format for creative accents or smaller design areas.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTouch-dry after 5 to 10 minutes of hot-air drying, but only fully load-bearing after about 30 hours.\u003c\/strong\u003e This is the most important number in the whole guide. Sit down in light jeans the next morning and you'll rip open yesterday's work — the colour film needs the whole following day to build its final bond with the leather. Respect the 30 hours and you get a surface that shrugs off years of jeans abrasion in one go.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003cblockquote class=\"praxistipp\"\u003e\n  \u003cp\u003e\u003cstrong\u003eDay-to-day from Detailing1:\u003c\/strong\u003e We see one mistake all the time that kills any leather dye on the spot — reaching for brake cleaner as a supposedly thorough degreaser on a heavily soiled steering wheel. Brake cleaner is a highly aggressive solvent mix. It doesn't just strip the skin oils, it wrecks the tanning deep in the leather fibre. After that the substrate is gone for good.\u003c\/p\u003e\n  \u003cp\u003eWhat we see day-to-day: no colour system on earth — neither Leather Colour nor rivals like Ledermax or Leather Expert — gets any grip on that. The polymer bond needs an intact pigment layer as an anchor. Once that's etched away, the colour flakes off after a few days. With a 5-euro brake cleaner you've done leather damage on the scale of a full re-trim. We've seen it more than once, and every time it's final.\u003c\/p\u003e\n  \u003cp\u003eThe only right way to degrease runs in two clean steps. First a deep-pore pre-wash with COLOURLOCK Leather Cleaner and a soft leather brush worked into the grain. Then leather-grade naphtha (not methylated spirit, not acetone, not brake cleaner) until the surface is dead matt and a white microfibre cloth picks up no more colour. Only then does the dye go on.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eDabbing, spraying, airbrushing with the leather dye\u003c\/h3\u003e\n\n\u003cp\u003eYou never lay the \u003cstrong\u003eleather dye\u003c\/strong\u003e down as one thick coat, but in several wafer-thin layers with a light sand between them. A steering wheel typically takes three to four such layers, a fully yellowed seat bolster four to six. Try to get full coverage in one go and you'll end up with a rubbery, rough surface that feels like brushed-on paint — which is exactly what Leather Colour is not meant to be.\u003c\/p\u003e\n\n\u003cp\u003eIn the DIY dabbing method you put a few drops of \u003cstrong\u003eCOLOURLOCK Leather Colour\u003c\/strong\u003e straight onto the sponge — never onto the leather. Then you dab from seam to seam in small circular micro-movements, evenly thin, no puddles. Between each layer, warm it for 5 to 10 minutes with a hairdryer on a medium setting. This forced drying is not optional. What that means for you: the heat pulls the polymer chains into a clean bond. On room air alone the film takes too long to close and the result stays patchy.\u003c\/p\u003e\n\n\u003cp\u003eAfter the heat comes a 30-second sand with the leather sanding pad in 4000 grit, and a microfibre wipe after that. That way the colour builds a calm, satin-matt film that traces the grain instead of clogging it up.\u003c\/p\u003e\n\n\u003cp\u003eIn the pro workflow the dye goes on with a compressed-air gun or airbrush with a fine nozzle — above all on full seat sets or door cards, where dabbing would take days. Here the crosslinker from the COLOURLOCK range comes in at a low dose. In plain terms: a reactive hardener that ties extra bonds into the colour film and makes the surface far more abrasion-resistant.\u003c\/p\u003e\n\n\u003cp\u003eWhat matters is the pot life after mixing — that's a few hours, after which the blend in the cup is useless. So if you work with hardener, you mix only as much as you'll actually spray straight away.\u003c\/p\u003e\n\n\u003cp\u003eWorking temperature sits at 18 to 24 degrees. Below 15 degrees the dye won't cure reliably; above 30 the surface skins over before the colour film has pulled deep enough into the grain. In a cold garage in winter the rule is: preheat for at least an hour — the seats and the bottle.\u003c\/p\u003e\n\n\u003ch3\u003eWhat Leather Colour can do and where Fluid Leather takes over\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eLeather Colour\u003c\/strong\u003e is a pure colour refresh for intact or lightly worn smooth leather — not an all-round repair fix. It turns a matt, yellowed seat back into an OEM-clean surface, but it can't fill cracks and can't structurally rebuild a seat that's sat through.\u003c\/p\u003e\n\n\u003cp\u003eOn \u003cstrong\u003esurface-pigmented smooth leather\u003c\/strong\u003e with an intact pigment layer (BMW Dakota, Mercedes Nappa, Audi Valcona, Porsche Club, standard aniline with a sealer) the dye builds the film perfectly. On pigmented synthetic leathers like Mediflex or most OEM faux leathers it works too — here the crosslinker helps for maximum durability. On hard interior plastics you can use the dye with the matching Plastics Primer as a bonding base, say to touch up cockpit trims, door handles or controls colour-wise.\u003c\/p\u003e\n\n\u003cp\u003eOff limits, on the other hand, are aniline leather with no pigment layer, nubuck and suede. These leathers are open-pored — the dye seals up the natural breathability, kills the hand feel and turns soft aniline into a stiff, plastic-like surface. If your seat still feels warm and soft and soaks up water droplets instead of beading them off, Leather Colour is the wrong product.\u003c\/p\u003e\n\n\u003cp\u003eHere only the aniline products from the same range help, such as COLOURLOCK Aniline \u0026amp; Nubuck Cleaner followed by aniline cream. On bycast and pure PU leather the dye won't form a stable bond either and flakes off after days.\u003c\/p\u003e\n\n\u003cp\u003eDeep cracks, sat-through bolsters with the padding showing — that's not a colour problem, it's a structural one. Brush dye over that and you're pouring water into a crater. The right order: first work \u003ca href=\"\/en\/products\/koch-chemie-colourlock-fluid-leather-lederfarbe-fuer-reparaturen\"\u003eCOLOURLOCK Fluid Leather\u003c\/a\u003e into the crack as a filler, smooth it with the GLD pen and let it set. Only then does Leather Colour go on top as the colour finish. The two products are complementary, not interchangeable.\u003c\/p\u003e\n\n\u003cp\u003eThe simple if-then logic: if the seat is structurally sound and only the colour looks worn → Leather Colour. If the seat shows cracks or exposed padding → Fluid Leather first, then Leather Colour. If the seat is aniline or nubuck leather → no leather dye, but aniline care and accepting the patina.\u003c\/p\u003e\n\n\u003ch3\u003eWho buys 100 ml, who 250 ml, who 1 litre\u003c\/h3\u003e\n\n\u003cp\u003eThe size tells you straight away which league you're working in. The \u003cstrong\u003e100 ml bottle\u003c\/strong\u003e comes only in the metallic-effect colours (brass, gold, copper, pearl, silver) and the bright colours — special shades for accents on steering-wheel spokes, lettering or design seats. One bottle covers several small detail areas or a complete steering wheel in a special colour.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e250 ml bottle\u003c\/strong\u003e is the standard format for hobby users. A steering wheel or a yellowed seat bolster is covered without any worry — four to six steering wheels or two to three bolsters is realistic, depending on the number of layers and how thirsty the substrate is. It covers 25 of the 32 standard shades, from black and havana through to the big colour classics and the metallic effects.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e1 litre bottle\u003c\/strong\u003e is the pro format for upholsterers, smart-repair outfits and ambitious detailers refreshing whole interiors. With a compressed-air sprayer and hardener, 1 litre is good for about a full saloon interior, seats and door cards. Per square metre of seat surface the material cost stays well below comparable pre-mixed sets from Ledermax or Geist, because here a concentrate is scaled up rather than a ready-made application solution.\u003c\/p\u003e\n\n\u003cp\u003eBut the real value only shows up through the whole range behind it. Detailing1 carries the complete \u003ca href=\"\/en\/collections\/lederpflege\"\u003eleather care line\u003c\/a\u003e from COLOURLOCK: leather-grade naphtha for degreasing, Leather Cleaner Mild and Strong for the pre-wash, the leather sanding pad for the intermediate sand, Fluid Leather for cracks, \u003ca href=\"\/en\/products\/koch-chemie-colourlock-leather-shield-leder-versiegelung\"\u003eLeather Shield\u003c\/a\u003e for the final seal. Without that stack the dye delivers only a fraction of its durability — the life of the job hangs about 80 percent on the prep. Buy the bottle on its own and you dye once and curse the flaking a week later.\u003c\/p\u003e\n\n\u003cp\u003eAnd one pro trick the manufacturer's brochure won't print: on UV-faded seats the original OEM colour code often no longer matches exactly. Experienced users then hand-mix two or three neighbouring shades from the 32-strong range with a pipette — until a test spot in a hidden place (the underside of the seat, say) matches perfectly. That's fifteen minutes of trial and it saves the whole custom-mix order, which otherwise quickly means several weeks' wait.\u003c\/p\u003e\n\n\u003cp\u003eThe second pro rule is mundane but it costs most hobby users their work: 30 hours of curing at room temperature is non-negotiable. The first 10 minutes of hot-air drying only build the visible film. The material reaches full mechanical strength only the next day — sit on it sooner and you rip open yesterday's work.\u003c\/p\u003e\n","brand":"Koch-Chemie × COLOURLOCK","offers":[{"title":"White \/ 1000 ml \/ 1 liter","offer_id":57637119656271,"sku":"D1-KCX-563-1L-01","price":53.99,"currency_code":"EUR","in_stock":true},{"title":"White \/ 250ml","offer_id":57637119754575,"sku":"D1-KCX-563-250ML-01","price":24.99,"currency_code":"EUR","in_stock":true},{"title":"Havana (Havana) \/ 1000 ml \/ 1 liter","offer_id":57637119787343,"sku":"D1-KCX-567-1L-01","price":53.99,"currency_code":"EUR","in_stock":true},{"title":"Havana (Havana) \/ 250ml","offer_id":57637119820111,"sku":"D1-KCX-567-250ML-01","price":24.99,"currency_code":"EUR","in_stock":true},{"title":"Caramel \/ 250ml","offer_id":57637119852879,"sku":"D1-KCX-568-250ML-01","price":24.99,"currency_code":"EUR","in_stock":true},{"title":"Cherry Red \/ 250ml","offer_id":57637119885647,"sku":"D1-KCX-569-250ML-01","price":24.99,"currency_code":"EUR","in_stock":true},{"title":"Tangerine \/ 1000 ml \/ 1 liter","offer_id":57637119918415,"sku":"D1-KCX-570-1L-01","price":53.99,"currency_code":"EUR","in_stock":true},{"title":"Tangerine \/ 250ml","offer_id":57637119951183,"sku":"D1-KCX-570-250ML-01","price":24.99,"currency_code":"EUR","in_stock":true},{"title":"Ochre \/ 1000 ml \/ 1 liter","offer_id":57637119983951,"sku":"D1-KCX-572-1L-01","price":53.99,"currency_code":"EUR","in_stock":true},{"title":"Ochre \/ 250ml","offer_id":57637120016719,"sku":"D1-KCX-572-250ML-01","price":24.99,"currency_code":"EUR","in_stock":true},{"title":"Orange \/ 1000 ml \/ 1 liter","offer_id":57637120049487,"sku":"D1-KCX-573-1L-01","price":53.99,"currency_code":"EUR","in_stock":true},{"title":"Orange \/ 250ml","offer_id":57637120082255,"sku":"D1-KCX-573-250ML-01","price":24.99,"currency_code":"EUR","in_stock":true},{"title":"Rot (Red) \/ 1000 ml \/ 1 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