The professional formula of the Blacklight Blue Conditioner is more potent than the retail formula for enhanced tone control. This conditioner, specifically designed for highlighted, bleached, white, and natural blonde hair, eliminates brassy tones and revives dull strands for a clean and vibrant look. Its unique formula, enriched with 11 amino acids and argan oil, hydrates, strengthens hair structure, and repairs surface damage while extending the life of your color. Paraben-free.