Redken Extreme Length Leave-In Conditioner with Redken's Length Care Complex made with Biotin and Soy Protein helps hair growth by strengthening damaged hair to grow longer and stronger. Extreme Length Leave-In Conditioner also helps prevent hair 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.