Kerastase - Blonde Absolute Ultra Violet Shampoo 250mlBlond Absolu Bain Ultra Violet by Krastase is a nourishing purple shampoo with Ultra Violet Neutralizers to reduce brassiness, making it one of the best shampoos for grey and white hair, and processed or bleached blonde hair. With its ultra violet fluid texture, Bain Ultra Violet neutralizes orange to dark yellow undertones, while ensuring your colour stays bright and luminous. How to Apply: Wet hair then thoroughly remove excess water before applying