Nioxin System 1 Cleanser is a 1000 ml shampoo, specifically formulated for fine and normal hair or hair that appears thinning. Thanks to its special technology, it gently cleanses the scalp by removing impurities and residues, promoting a healthy environment for hair growth. Its strengthening action provides body and volume, improving the appearance and texture of fine hair. Ideal for those seeking una a fuller, more vigorous, and visibly rejuvenated mane.