BioKap Nutricolor Rapid 5.15 Ash Chestnut is a natural, vegan hair dye with a 10 minute rapid development time through the inclusion of extra pigment. This hair dye nourishes and repairs hair during the colouring process, giving a warm, shiny and natural colour, and is enriched with trichorepair complex and precious bio argan oil, also known as 'desert gold' for its highly valued cosmetic properties. Free from PPD, ammonia, resorcinol, parabens, fragrance, SLES and SLS.