Oligo Blacklight Dry Shampoo Highlighted And Blonde Hair 1.5 Ounce 198 Milliliters Blacklight’s Blue and Violet Shampoos are formulated for highlighted, bleached, white, and natural blonde hair. This Shampoo keeps hair radiant: eliminating brassiness. Preserve your color. Made with 100% vegan ingredients. Free of sulfates, salts, and parabens, keeping hair shiny, and irritant-free.