Our 5% Niacinamide Serum contains Niacinamide, Pyrus Malus (Apple) Fruit Extract, Hyaluronic Acid. It can help improve damaged skin, reduce dark spots, pigmentation and uneven skin tone, help reduce fine lines and wrinkles near the eyes, mouth and forehead, and make the surface of the skin smoother. Its use method is very simple: after cleansing and toning, take appropriate amount of essence evenly apply to the face skin, gently massage with the hand to absorb. It can deeply moisturize the skin, reduce dryness and roughness, and keep the skin hydrated.