Our Retinol Firming Eye Cream contains retinol, kojic acid, caffeine. It can deeply replenish skin moisture, increase skin moisture content and softness, making skin more supple and soft. Its application method is very simple: Clean and dry dark skin, take appropriate amount of essence and apply it evenly on the skin, massage gently with your hands in circular motions for absorption. Dull and dark skin gradually regain its whiteness, lighten dark skin, and make the skin tone bright and even.