Oligo Blacklight Violet Shampoo Anti-Yellow Colored/Natural Blonde 8.5oz/250ml Blacklight’s Violet Shampoo, formulated for highlighted, bleached, white and natural blonde hair, eliminates yellow tones, 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 colour retention. Sulfate, salt and paraben free. Use: Apply to damp hair. Lather evenly and rinse. Repeat application and leave for 1 to 5 minutes. Follow with Blacklight Nourishing Conditioner. Use whenever yellow tones or brassiness re-appears. This product is designed to be used and sold by trained professional. Purchaser is completely liable for outcome from use of this product and will not hold seller responsible for unwanted results or damage to hair, skin, nails or health.