Our hyaluronic acid serum contains glycerin and hydroxyethyl cellulose. It can significantly improve the texture of the skin, making the skin smoother and more delicate. Its application method is simple: 1. Clean facial skin and keep it dry. 2. Apply appropriate amount of the product evenly on the face. 3. Gently massage until absorbed. Enhance skin elasticity, keep skin firm and plump. Long-lasting moisturizing effect keeps skin hydrated and not dry.