Most damage to hair occurs during shampooing, as the friction from rubbing can cause the cuticle layer to breakdown. The unique amino acid profile of protein is similar to keratin and helps to repair the cuticle layer of the hair fiber. The result is smooth and healthy hair. Coconut oil helps to seal in moisture while adding conditioning and shine. Zero sodium chloride, sulfates, dyes, harsh salts, parabens, gluten. Coconut oil helps to seal in moisture. Keratin helps to repair the cuticle layer.