Koch-Chemie COLOURLOCK Leather Care is a dedicated care product for smooth leather, perforated leather and synthetic leather. It is designed for the maintenance stage after cleaning, not as the cleaning stage itself. Once the leather has been cleaned, wiped with a damp cloth and allowed to dry, Leather Care can be applied thinly and evenly to refresh the appearance, leave a natural silky matt finish and help preserve the material. The finish is important for vehicle interiors because leather should not be left shiny, greasy or overly smooth. Used correctly, it gives a soft maintained feel, a colour-intensifying appearance and protection against renewed soiling and embrittlement.