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 6 Scalp Treatment is designed for noticeably thinning medium to coarse hair that is natural or chemically treated. This treatment contains antioxidants and botanicals that help to provide a refreshed scalp environment and should be used after Nioxin Scalp Revitaliser 6 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