Our Vitamin C Serum contain vitamin E, coffee extract, psoralen phenol. It can anti aging, replenish moisture, moisturize and nourish skin, fade wrinkles, increase skin elasticity. Its usage is simple: After cleansing and toning, press 1-2 pumps of the essence on the palm, spread evenly on the face and neck skin, and gently massage with hands in circular motions for absorption. Reduces wrinkles, anti-aging, tightens skin, and makes you look younger and more radiant.