Our Vitamin C serum contains vitamin C, retinol, and hyaluronic acid. It can reduce the precipitation of skin melanin, reduce water loss, stimulate collagen synthesis in the skin, enhance skin elasticity, and prevent skin aging. Its use method is very simple: first, wash your face and dry it, take 2-4 drops of essence on your face, massage on your cheeks along both sides and do 3-5 minutes of circular motion until absorbed. Use with other lotions and creams to enhance moisturizing and lock in moisture. After use, it helps to reduce dark spots, reduce hyperpigmentation, help improve skin dullness, and make skin tone more radiant.