ColourSafe Colour Safe Mask for Chestnut Hair The high skin tolerance Colour Safe Mask for Chestnut Hair delivers intense reflections of colour in just 3 minutes. It also restructures, protects and delivers an intense shot of chestnut colour that lasts 4 to 6 washes. It is suitable for natural and dyed hair. It intensifies and enables permanent hair colour to last longer. It helps to hide roots. It can be used as often as required. Its formula contains plant Keratin, which is a compound of 18 amino acids similar to hair keratin. It provides a repairing action. It contains Sunflower extract, which protects hair colour and organically-grown Aloe Vera juice, which provides maximum hydration. It delivers intense reflections of colour to chestnut hair, protects the natural hair colour, prolongs the persistence of permanent dye and conceals greys. It contains a UV filter, which protects chestnut hair from solar radiation, thereby ensuring optimal maintenance of hair colour.