Our Niacinamide Serum contains nicotinamide, purslane extract, acetylchitosamine. It can rbrighten the skin tone, make the skin texture more delicate, and reduce fine lines, reduce the intrusion ofultraviolet rays, air pollution or other environmental foreign substances, shrink pores, fade spots and blemishes. Its application method is very simple: After cleansing, dry your face (Remember to wipe off the moisture on the face after cleansing, and do not use it on wet skin), take an appropriate amount of essence and apply it evenly on the facial skin, and massage gently with your hands in circular motions for absorption. Reduce water loss, stimulate collagen synthesis in the skin, enhance skin elasticity, and thus reduce the appearance of fine lines