The shampoos in the TRIDESIGN collection are formulated to gently cleanse, moisturize and repair damaged hair. The hair is left in as close to its natural state as possible with no residue to interfere with chemical services. This insures consistent results in permanent waves, truer hair colors, with no product build-up. TRIDESIGN shampoos are highly concentrated for added value and have a light pleasant fragrance that won�t linger in the hair after the task is done