Our Collagen brightening serum contains green tea extract, hydrolyzed collagen, and hyaluronic acid. It contains a high concentration of collagen, which deeply moisturizes the skin and enhances skin elasticity. Herbal ingredients brighten, even and restore skin's natural glow. Its application method is very simple: 1. First thoroughly clean and dry the facial skin; 2. Apply appropriate amount of the product evenly on the face; 3. Gently massage until completely absorbed. Collagen brightening serum effectively fights wrinkles, reduces fine lines and wrinkles, and keeps you looking younger and younger. Improves skin firmness and reduces fine lines and wrinkles.