Our Hair Treatment Roller contains glycerin, mountain tea extract, cauliflower extract. It can promote rapid hair growth, strengthen existing hair, prevent hair loss, and strengthen hair roots. Its application method is simple: remove the cap, apply the roller to the scalp, roll the lotion to the desired area, apply a small amount of pressure, and gently massage the scalp. It can deeply awaken dormant hair follicles, promote the growth of new hair, and make hair healthier and thicker.