Crazy Color. 1 Liter. Ultra violet No Yellow silver shampoo is an intense sulfate free treatment shampoo specifically formulated for use on super lightened, grey or bleached hair. Infused with super strenght violet pigments to help remove unwanted yellow tones. Can also be used as a toner after the bleaching process. - Ultraviolet pigments banish yellow tones. - Vegan and cruelty free. -100% Sulphate free. - Formulated for blonde, bleached and pre-lightened hair. Crazy Color products are NOT tested on animals.