Our niacin face serum contains glycerin, panthenol and PCA sodium. It can remove pimples and spots, effectively solve and prevent acne, promote the natural shedding of old keratin, unclog pores, eliminate dead skin cells, and make skin tone more shiny. Its use method is very simple: first after cleansing and toning, then take appropriate amount of essence evenly apply on the face, and finally gently massage with fingertips until absorbed. After use, it can inhibit and reduce the production of melanin, prevent the formation of new spots, lighten the skin, anti-wrinkle firming, help the skin moisturize and whiten, and make the skin smoother.