koch chemie colourlock old leather softener weichmacher verhartetes altes leder Duftstoff The finer the grain

The finer the grain

invisible layer that bonds chemically with the surface

plus wheels and sills

The fibres still breathe

fresh brake dust)

koch chemie colourlock old leather softener weichmacher verhartetes altes leder Duftstoff The finer the grainCOLOURLOCK Old Leather Softener deep softener for hard, brittle old leather What does COLOURLOCK Old Leather Softener do? The softener works deep into old, hardened leather, brings back flexibility, lowers the risk of cracking and gets the material properly ready for further care or repair steps. COLOURLOCK Old Leather Softener is the pro answer when old, dry or brittle leather needs to go soft and supple again. On classic cars, vintage furniture,