Violet shampoo that cleanses and maintains the hue of cool blonde highlighted bleached or grey hair neutralises unwanted yellow or brassy tones with a high level of violet dye joico color endure violet shampoo will create a brighter tone to your light coloured hair cancelling out yellowness created by oxidation plus it will add strength and protect your hair from environmental and physical damage ph 4 5 5 5 directions apply joico color endure violet shampoo to wet hair lather leav