Toni & guy purple shampoo is especially developed to to neutralize yellow past, the laws golden toner in blond or gray have. Formula contains violet pigments, there help with to preserve one cool past, the laws ready hair color. Application: lots it in in wet have past, the laws foam carefully. Rinse then hair carefully past, the laws repeat about necessary. Lining best result recommended what to use toni & guy purple shampoo together with toni & guy purple conditioner.