Our collagen serum contains glycerin, collagen, and sodium hyaluronate. It can lighten fine lines and tighten, reduce water loss, stimulate collagen synthesis in the skin, enhance skin elasticity, and prevent skin aging. Its use method is very simple: First, after cleansing and toning in the morning and evening, apply this product to the skin, and then follow up care. This product can be used in combination with other moisturizing and safe products. After use, it helps to reduce the appearance of fine lines and wrinkles, enhance skin shine, adjust the balance of water and oil, soothe the astringent skin, and make the skin clean and bright.