The Clairol Shimmer Lights purple shampoo is the drugstore solution for maintaining blonde hair and avoiding that dull, brassy look. Refresh highlights without effecting ash tones. Hi everyone! September 2020. Shampoo will leave hair shiny with no residue, tone down brassiness, and shampoo away yellow for the perfect shine of blonde of gray hair. I wanted to make a video on how the Clairol Shimmer Lights Purple Shampoo and Conditioner works for my hair. Clairol Shimmer Lights Purple Shampoo Before and After Review + Demo. Clairol Shimmer Lights Shampoo is specifically created for blonde and silver hair.