Redken extreme length conditioner is infused with biotin, castor oil and redken's length care complex to help strengthen damaged hair to grow longer and strongerThis hair conditioner helps promote hair growth by preventing breakage so your hair can grow longer.Reduce breakage by 81% when using the full system of Extreme Length Shampoo, Extreme Length Conditioner, and Extreme Length Leave-In TreatmentFormulated with biotin, castor oil, and Redken Length Care Complex to help hair grow longer and strongerProvides lightweight nourishment to the hairStrengthens fragile strands and ends to promote strong, healthy hairGently conditions the hair and adds shine.A statement of sophistication, designed to cleanse and revive every strand with unparalleled grace.