Nioxin System 1 Cleanser Shampoo offers precise care for damaged, progressively thinning hair by detoxifying as well as nourishing strands. Adapted to your needs, this first step towards healthier, fortified hair, hydrates lightly to atone a low-level of density. Under a cleansing, optimizing, and focused treatment philosophy, this cleansing shampoo sets the tone for the rest of an intensive solution that promises to bring extra comfort. In fact, it purifies the surface of your head after the very first application. Thus, it also helps to eliminate excess sebum, unclogging follicles, and getting rid of external threats accumulated throughout the day. In the end, it clears the scalp to receive the benefits of more intensive care serums as well as conditioners.