The number one selling salon brand for thicker, fuller looking hair*. Nioxin is the only professional haircare brand endorsed by the Institute of Trichologists for thinning hair. Nioxin System 1 Scalp Treatment 100ml for normal to thin looking, fine natural hair. Treatment 1 is designed for normal to fine hair types that have not been coloured or chemically treated and are showing signs of thinning. This treatment contains antioxidants and botanicals that help to provide a refreshed scalp environment and should be used after Nioxin Scalp Revitaliser 1 for best effect. Application: Use daily and apply directly onto the entire scalp. Gently and evenly distribute by combing through the hair, do not rinse. May cause slight redness after application. *Value Data Kline & Company