GNC Biotin Shampoo benefits hair by making it healthier, fuller, and thicker. It contains Biotin, which supports hair health by increasing lustre, volume, and scalp covering. It also contains Sage leaf extract, which helps to prevent hair loss by renewing and strengthening hair follicles. | Key Ingredients: Aqua Citric acid Sage leaf dry extract Biotin | Key Benefits: GNC Biotin Shampoo is beneficial for providing healthy, fuller and thick hair It contains Biotin which promotes the health of the hair, including lustre, volume, and scalp coverage It also contains Sage leaf extract which prevents hair loss while also rejuvenating and strengthening hair follicles | Directions For Use: Wet the hair thoroughly, apply a small amount of shampoo and work up to form lather Massage into the scalp and rinse off with normal water | Safety Information: Read the label carefully before use Do not exceed the recommended dosage Store in a cool and dry place away from direct sunlight Keep out of reach of children