A gentle daily shampoo, Bossley Professional Strength Boss Defense Nourishing Shampoo and Conditioner for Color-Treated Hair helps to create a healthy scalp, promoting healthy hair growth. This sulfate free cleanser preserves hair color while removing buildup and toxins like D.H.T. from the hair and scalp. Formulated with Bossley Professional Strength Life tend Complex to hydrate, nourish and strengthen follicles, resulting in thicker, fuller looking hair.