The Nioxin 3-Part System 6 Cleanser Shampoo for Chemically Treated Hair with Progressed Thinning is the first step in an innovative three-step treatment, formulated to promote the appearance of thicker, fuller locks. Enriched with Glyco-Shield 2.0 technology, the shampoo is designed to gently cleanse both hair and scalp of excess oil, fatty acids and impurities, helping to leave a revitalised surface. The shampoo envelops the tresses in its fortifying properties, helping to nourish and strengthen hair from root to tip.