High potency anti-aging moisturizing serum with Retinol 2.5% (Vitamin A), botanical Hyaluronic Acid and Phospholipids. Soften and heal your skin, boost collagen and elastin production, reduce fine lines and hyperpigmentation. Retinol is the whole vitamin A molecule, which is one of the best vitamins for your skin. Vitamin A is a potent antioxidant, and works to protect your skin from free radicals, generates cell growth, and repairs damaged cells.