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.

Step 1: Apply Redken Extreme Length Shampoo to wet hair, lather and rinse. Step 2: Use as a complete system with Redken Extreme Length Conditioner with Biotin. Step 3: Apply Redken Extreme Length Sealer leave-in treatment to clean, damp, towel-dried hair.