This fast-acting serum works in skin to fill fine lines, firm and plump. Dr. Dennis Gross system reduces the size of water molecules, carrying an infusion of hyaluronic acid, peptides, niacinamide, and ectoin deeper into skin for optimal absorption and performance. This product works overtime to hydrate skin and restore your moisture barrier while adding volume, controlling redness, and minimizing fine lines and wrinkles - instantly and over time.