Our NMN Scalp Cell Revitalizing Hair Essence contains glycerin, butanediol, and olive oil. It can nourish and protect hair, but also improve the health of hair follicles, promote hair growth, wake up dormant hair follicles, improve the supply capacity, grow new hair. Its use method is very simple: first dry wet hair with the heat of the hair dryer duct, make the hair appear curly lines, and then evenly apply the essence, massage with the fingertips from the hair root to the tip, twice a day (once in the morning and once in the evening), the best effect. It can deeply awaken dormant hair follicles, promote the growth of new hair, and make hair healthier and thicker.