Our hyaluronic acid hydrating serum contains hyaluronic acid, glycerin, and Vitamin E (tocopherol). It can help strengthen skin elasticity and keep it smooth. 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. Hyaluronic acid helps the skin retain moisture and prevents dryness and roughness. Vitamin E protects the skin from environmental damage and keeps it healthy.