Imbued with bioten, Redken's Extreme Length Shampoo gently cleanses and fortifies damaged hair, and helps it grow longer and stronger. Expertly formulated, this powerhouse shampoo also protects lengths and prevents breakage. Use the full Redken Extreme Length System, including Shampoo, Conditioner and Length Sealer Leave-in Treatment to achieve even better results and reduce breakage by 81%. Ingredients: Aqua / Water / Eau, Sodium Laureth Sulfate, Sodium Chloride, Cocamidopropyl Betaine, Citric Acid. Sodium Hydroxide, Parfum / Fragrance, Propylene Glycol, Polyquaternium-10, Sodium Benzoate, Hexylene Glycol, Salicylic Acid, Benzyl Benzoate, Limonene, Benzyl Alcohol, Linalool, 2-Oleamido-1,3-Octadecanediol, Biotin