SHOW THE WORLD YOUR SHADE OF GREY. Redken Color Extend Graydiant Shampoo, anti-yellow, all silver brightening & nourishing shampoo for grey & silver hair. Contains amino acids & custom direct dyes to nourish & progressively brighten all in one for more radiant grey hair. The dual benefit system neautralises yellow brassy undertones & deposits custom direct dyes for a beautiful, brightening silver pay off. DITCH DULLNESS & BE GRAYDIANT