Our nicotinamide essence contains nicotinamide, acetylglucosamine and glycerin. It can deeply moisturize the skin, reduce the appearance of dark spots, give you hydrated and translucent skin, effectively brighten the skin tone, and make the skin look brighter and more uniform. Its usage is simple: clean and dry the facial skin, take an appropriate amount of this product and apply it evenly to the skin, gently massage in circles with your hands until absorbed. It can supplement moisture components, help the skin balance water and oil, and maintain a healthy state.