Our firming serum contains glycerin, collagen, vitamin C (ascorbic acid). It can enhance the skin to help lift and improve elasticity sag provides a comprehensive skin care effect to help improve sagging and wrinkle problems. Long-term use can significantly improve skin quality and reduce the formation of wrinkles and fine lines. The way to use it is simple: clean your face properly and keep it dry. Massage gently in circular motions until fully absorbed. Apply appropriate amount to face evenly. And it can tighten and lift: help to improve skin firmness, effectively improve sagging and sagging problems, and make the face look younger. Smoothing Fine Lines: Focus on reducing the appearance of fine lines and wrinkles to help keep skin smooth and firm. Long-lasting moisturizer: The skin moisturizes for a long time, helping to lock in moisture and keep skin soft and shiny.