Blacklight's Blue Shampoo's professional formula is stronger than the retail formula for better tonal control. is shampoo is 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 colour retention. Sulfate, salt and paraben free.

HOW TO 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. Use gloves to avoid hand or nail staining.