The Redken Extreme Length Shampoo is formulated with Biotin, Castor Oil & Redken's Length Care Complex to helps strengthen damaged hair to grow longer. Extreme Length Shampoo helps hair growth by preventing breakage to achieve your desired length.

Benefits:

• 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