Our black sesame hair serum contains rosemary oil, vitamin E (tocopherol), which can focus on increasing the volume of your hair and making it look fuller and fuller. Its application is very simple: clean your hair and scalp, keep them dry, apply an appropriate amount of this product evenly to the hair and scalp, gently massage until absorbed. And can deeply nourish the hair root, help repair fragile hair, effectively reduce hair breakage and hair loss problems.