Offering innovative acidic care for coloured hair, the Kérastase Chroma Absolu Leave-In Serum promotes shine and vibrancy. Offering daily defence against heat and humidity, the serum works to combat the visible signs of colour damage.Imparting a glossy finish, the lightweight serum helps to protect your coloured hair from the effects of environmental aggressors. The leave-in treatment is enriched with antioxidant vitamin E, helping to reduce colour oxidisation.Lactic acid gently exfoliates and seals the hair’s surface, helping to trap dulling minerals, while enhancing colour clarity. Promoting a sleek appearance, the serum seeks to extend colour vibrancy, ideal for all porous, colour-treated hair types.