The Nioxin System 3 Cleanser, 1000 ml, is a specific shampoo for fine hair, from normal to thin, chemically treated. Advanced formula that gently cleanses the scalp, removing residues and impurities without attacking the hair fiber. Promotes a healthy environment for optimal una growth, strengthening hair and improving its visible density. Ideal for those seeking volume and vitality, ensuring softness, shine, and a lasting una lightness from the very first use.