Crazy Color Ultra Violet No Yellow Shampoo 100% sulfate-free treatment shampoo specially formulated for use on super-lightened, grey or bleached hair. Ultraviolet pigments banish unwanted yellow and golden tones, reviving and refreshing colour to make it look as close to the day of colour service. Works extremely well in creating a clean, super-lightened base for any additional vivid colour application. Use to establish a lightened base for any additional colour or to revive super-light colours like foil highlights, balayage, platinum and grey Infused with super-strength ultraviolet pigments that banish unwanted yellow or brassy tones which occurs for blondes over time and through exposure to environmental elements Can be used as a toner after the bleaching process