Is your blonde hair getting brassy? This specially-formulated shampoo is powered by purple toners to banish brassiness and brighten blonde hair, while cleansers and conditioners helprefresh, detangle and control frizz. Bed Head colour care for serial hair abusers. Use as often as necessary to help correct brassy tones. Leave in for 1-10 minutes depending on the desired effect. Avoid contact with clothing.