PROSILK SERUM helps fill in the voids on the cuticle layer by strengthening and bonding hair inside and outside. Styling with PROSILK SERUM leaves hair replenished and reconstructed without build up or unwanted extra weight. It provides protection from heat, UV, coldness, and pollution in addition to providing excellent care for your skin. PROSILK SERUM repairs the common problem of split ends and leaves your hair incredibly radiant. PROSILK SERUM is designed to be the ideal product for all hair types.