Nioxin - Intensive Therapy - Follicle Booster Follicle Booster with Scalp Respiratory Complex is intended for excessively thin-looking hair and low density hair lines. Formulated with vitamins. Energizes and provides moisturizing nourishment for the scalp. Helps to create an optimal scalp environment. It protects hair against DHT (Dihydrotestosterone) and the drying effects of the sun. Contains antioxidants and helps repair damage to the hair caused by the environment. (3.4 oz)