Clean your hair without stripping colour with Revlon Pro You The Keeper Color Care Shampoo. Perfect for all types of colour treated hair.Colour Defend SystemFormulated with specialist technology that prevents fading.Anti-Fading Agents: These work on mechanically-damaged surface areas that are more prone to colour loss. The inclusion of this type of ingredients aims to create a homogeneous surface that is easily sealed as a result of pH values.Low PH: These colour-safe formulas have an acid pH, which contributes to the closure of the hair cuticle, meaning that colour is better retained in the hair fibre.The cuticle layers open and close depending on the pH of the products applied to the hair: Acid products (pH <7) close and seal the cuticle. · Alkaline (base) products (pH >7 open the cuticle.Key benefitsFormulated to prolong colour vibrancy and enhance shine.How To Use: Apply to wet hair. Massage gently. Rinse thoroughly. Suitable for daily/frequent use.