DEEP, LONG LASTING HYDRATION: Experience the moisturizing power of Hyaluronic Acid! Embrace newfound confidence with the Good Molecules Hyaluronic Acid Serum made with powerful ingredients to help your skin maintain its radiant glow! | PLUMP, FIRM, AND MOISTURIZE: Notice the difference in your skin! This serum works to restore moisture, bringing out the best in your skin. The lightweight serum helps your skin to appear supple, smooth, and firm. | POTENT FORMULA FOR RADIANT SKIN: Our serum contains two forms of hyaluronic acid with different molecular weights, allowing it to penetrate multiple layers of the skin and combat dehydration, and loss of firmness. | PERFECT ADDITION TO YOUR BEAUTY REGIMEN: Apply a few drops in the morning and at night before oils, creams, and moisturizers. For best results, apply to damp skin. Let absorb for 30 seconds before continuing with your routine. Every Good Molecules product is marked with a Period After Opening date, please find on the back label. | GENTLE ENOUGH FOR ALL SKIN TYPES: Powerful enough to bring results and gentle enough for daily use; this serum is suitable for all skin types. Our serum has a pH of 5.8 and is vegan, gluten-free, fragrance-free, and cruelty-free.