Our Vitamin C serum contains vitamin C (ascorbic acid), hyaluronic acid, and peppermint extract. It can significantly improve fine lines and wrinkles, improve skin firmness, and look youthful and 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. After use, the skin becomes softer and more delicate, improves skin quality, reduces roughness and discomfort caused by dryness, and improves the overall health of the skin.