Why Color Wow Color Security Shampoo is WOW! Contains no ingredients to dull or darken your hair colour. - Free of discolouring silicones, conditioning agents, or ingredients that layer on a dulling, darkening film with each shampoo, so colour and highlights stay vivid and bright; - New technology makes other formulas obsolete; - Clinically proven to be as gentle on colour-treated hair as water; - Color Wow Color Security is gentle to keep the cuticle tight - without sacrificing rich lather; - Keeps colour and highlights looking fresh, sparkling and bright; - For best results, always use with Color WOW Color Security Conditioner. Color Wow is a cruelty-free brand; they do not test any of their products on animals. ...