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.
For best results, use with Extreme Length Shampoo and Conditioner
Features
- Fortifies and strengthens hair for 81% less breakage*
- 5x stronger hair
- Promotes healthy, stronger hair from root to tips
- Helps prevent split ends and reduce the look of split ends by 78%
- Formulated with biotin and soy protein to help strengthen hair
- Adds manageability, smoothness and shine