Hair Strengthening Leave-In Treatment

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

Extreme Length Leave-In Treatment With Biotin

  • We have a 30-day return/exchange policy.  If you receive your product and you are not satisfied you can exchange for another product.  If you do not like the product for any reason, we will offer a refund/return in our store location.

  • 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