Shimmer Lights Shampoo is a protein-enriched conditioning formula. Tones down brassiness on blonde and gray hair. Renews and refreshes faded highlights and ash-toned hair. Removes dull yellow in gray/white hair. Leaves hair shiny without residue. Out with brassy In with shimmer and shine Shimmer Lights Shampoo and Conditioner are specialized haircare products specially developed for gray/white and blonde hair.