This rinse neutralizes hair that is stiff and brittle after washing with soap shampoo, returning it to a mildly acidic state while maintaining volume. It tightens up open cuticles while reducing abrasion to make everything down to the ends of the hair smooth to run your fingers through. Formulated with amino acid soap moisturizing ingredients (11 varieties of amino acid soap and hydrolyzed pea protein) to repair the hair.Moisture penetrates deep into the hair to provide bounce and volume.