Infused with biotin, castor oil and Redken's Length Care Complex, this expert conditioner fortifies damaged hair and helps it grow longer and stronger. Providing lightweight nourishment, the Extreme Length Conditioner promotes hair health and imparts shine. Use the full Extreme Length system, including Shampoo, Conditioner and Length Sealer to achieve up to 81% diminished breakage and a 92% reduction of split ends visually.