Redken: Extreme Lengths Leave-In Treatment with Biotin

EXTREME LENGTH LEAVE-IN TREATMENT WITH BIOTIN HAIR STRENGTHENING LEAVE-IN TREATMENT Redken's Extreme Length Leave-In Treatment helps to reduce split ends and strengthen damaged hair.   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.  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