Our Retinol Anti-Wrinkle Serum contains glycerin, hydroxyethylcellulose. It enhances skin elasticity and firmness. Fills in fine lines and restores smooth skin. Powerful antioxidant that protects the skin from free radical damage and slows down aging. Stimulates cell metabolism and accelerates skin renewal. Reduces wrinkles. Its application is simple: 1. Cleanse and dry the skin of the face, 2. Apply 3-5 drops of the serum evenly to the face, 3. Gently massage until absorbed. Retinol Anti-Wrinkle Serum restores skin elasticity and improves firmness; Strong anti-oxidation, anti-external damage; and protects the youthfulness of the skin.