Introducing Purple Shampoo from Elvive Colour Protect, Britain's No. 1 for coloured hair. Highlighted, brunette, blonde and grey hair can become yellow and brassy over time. Purple Shampoo is the opposite to yellow on the colour wheel. The purple within the formula helps neutralise those undesirable yellow tones. It nourishes the hair and neutralises unwanted yellow, orange and brassy tones in just one use, leaving your hair looking bright and beautiful.