![Redken Extreme Length Leave In Treatment with biotin to protect hair from split ends, infuse with biotin to keep hair strong, healthy, and help hair grow fast. MB Salon ShopMBSalon.com](http://shopmbsalon.com/cdn/shop/products/70FF4453-4F62-4552-BD8D-70F5627A7C0A_{width}x.jpg?v=1584402017)
Leave-In Treatment helps to reduce split ends, strengthen damaged hair, and helps hair to grow longer and stronger. Extreme Length Leave-In Treatment helps prevent breakage to promote your strongest, healthiest hair.
- 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