Blacklight's Blue Shampoo, formulated for highlighted, bleached, white and natural blonde hair, eliminates brassiness and refreshes faded highlights leaving hair looking cleaner and brighter. Its unique formula, enriched with 11 amino acids and argan oil, moisturizes, strengthens hair structure and repairs surface damage while increasing shine and color retention. Sulfate, salt and paraben free. USE: Apply to damp hair. Lather evenly and rinse. Repeat application, leave for 2 to 5 minutes and rinse. Follow with Blacklight's Blue Conditioner. Use once a week or whenever brassiness re-appears.