Redken Extreme Length Shampoo with Biotin & Redken's Length Care Complex helps strengthen damaged hair to grow longer and stronger. Extreme Length Shampoo helps hair growth by preventing breakage.

• Reduce breakage by 81% when using the full system of Extreme Length Shampoo, Extreme Length Conditioner, and Extreme Length Leave-In Treatment
• Formulated with biotin and Redken Length Care Complex to help hair grow longer and stronger
• Gently cleanses the hair
• Helps promote strong hair