Extreme Length Leave-in Treatment with Biotin - 5.1 oz

What it is:
Redken's Extreme Length Leave-In Treatment with biotin strengthens damaged hair and helps hair to grow longer and stronger. Extreme Length Leave-In Treatment helps prevent breakage to promote your strongest, healthiest hair.

What it does:
Redken's Extreme Length Leave-In Treatment helps to reduce split ends and strengthen damaged hair.

What else you need to know:

• Reduces breakage by 81% when used as a full system with Redken Extreme Length Shampoo and
• Extreme Length Conditioner
• Visibly reduces the appearance of split ends by 78%
• Formulated with biotin and soy protein to help strengthen hair
• Adds manageability, smoothness and shine