Our hair spray contains glycerin and biotin. It can stimulate hair follicle activity, promote new growth, and make hair thicker. Its use method is very simple: first wash hair and scalp, dry, evenly spray the appropriate amount of this product on the scalp, gently massage with fingertips, so that it fully absorbed. And it can strengthen the hair root, reduce hair loss, enhance hair toughness, and prevent hair breakage and loss.