Cool Silver Shampoo is a sulphate free shampoo with botanical extracts, along with violet and blue pigments, specially chosen to protect, strengthen and neutralise unwanted warm tones caused by minerals or oxidation. Gently tones lightened, natural or sun-bleached hair and protect against colour fading. Adds a hint of silver to grey hair. Best recommended for: All naturally blonde, white or bleached hair types. suitable for a level 8 or higher. Key ingredients: Blueberry oil is rich in vitamins and protective antioxidants, which enhance colour reflection. linseed oil adds lustrous shine to hair.