Nourish thinning hair with a shampoo that deeply cleanses and promotes the growth of thicker, fuller strands. The shampoo Nioxin System 1 scalp and hair is formulated for untreated natural hair with slight thinning. It offers una non-invasive cleansing, removing excess sebum and unclogging hair follicles to promote una healthy hair growth. Infused with antioxidants and UV protection, it helps reduce breakage and revitalizes the scalp, leaving hair stronger and more resilient.