The BioSilk Silk Therapy is specifically crafted for achieving healthier more luscious hair. The lightweight formula is infused with Provitamin B5 and Hydrolyzed Silk to replenish and revitalize your hair. It provides deep moisture that reconstructs the hair cuticles to promote hair growth. It effectively fills the voids in the cuticles and prevents split ends leaving your hair with a healthy glossy sheen.