Redken Extreme Length Conditioner features Biotin to strengthen damaged hair and help hair grow longer.  This conditioner helps prevent breakage to promote your strongest, healthiest hair. 
FEATURES
- Reduce breakage by 81% when using the full system of Extreme Length Shampoo, Extreme Length Conditioner, and Extreme Length Leave-In Treatment
 
- Formulated with biotin and castor oil to help hair grow longer and stronger
 
- Provides lightweight nourishment to the hair
 
- Strengthens fragile strands and ends to promote strong, healthy hair
 
- Gently conditions the hair and adds shine