Our firming serum contains retinol, vitamin E(tocopherol) and vitamin C(ascorbic acid). It can effectively improve skin firmness and reduce fine lines. Provides deep moisturizing effect and keeps skin moisturized. Its use method is very simple: 1. Clean facial skin, keep dry; 2. Apply appropriate amount of the product evenly on the face; 3. Gently massage until fully absorbed. Relieve skin discomfort, repair damaged skin, enhance protection.