Shimmer Lights Shampoo: Protein-enriched conditioning formula tones down brassiness on blonde and silver hair, renews and refreshes faded highlights and ash-toned hair, removes the dull yellow in siver hair, and leaves hair shiny without residue. Shimmer Lights Conditioner: A rich blend of emollients, moisturizers and color refreshers. Brightens silver hair and neutralizes yellow as it conditions. Refreshes faded highlighted hair and tones down brassiness. Silkens coarse gray hair.