Our Acanthoderma nigricans Repair serum contains niacinamide, vitamin c and hyaluronic acid. It can help moisturize the skin, thereby reducing dryness and pigmentation, making the skin look healthier and have a more even complexion. Lighten dark pigmentation, repair and moisturize skin for a more even and radiant complexion. Its use method is very simple: 1. Clean and dry dark skin. 2. Apply serum to skin and massage. 3. After complete absorption. It can be used multiple times. Acanthoderma nigricans Repair Essence restores and moisturizes skin, reduces melanin and brightens skin tone.