Serie Expert Magnesium Silver Neutralising Shampoo for gray and white hair.This série expert Silver shampoo gives clarity and shines for gray and white hair.Amino acids work to maintain the condition of white and gray hair, retaining a purity and natural sheen which gives your hair a healthy look and feel.With the specific anti yellow action, Silver shampoo may also be used for reducing unwanted yellow tones of pre lightened, tinted blonde hair or highlights.