Purifies thinning hair with a gentle and nourishing formula. The shampoo Nioxin System 2 Scalp & Hair is designed for natural, untreated hair with advanced thinning and works to rejuvenate the scalp and improve the volume of each strand. This shampoo effectively removes excess oil and impurities, unclogs hair follicles and provides essential nourishment with antioxidant and UV protection. It helps maintain a healthy scalp environment, reducing breakage and promoting the growth of thicker, fuller hair.