The DERMAdoctor Wrinkle Revenge Ultimate Hyaluronic Serum delivers intense moisture to parched skin.In a lightweight formula, the serum boasts a triple-action approach to hydration. Two types of hyaluronic acid – microencapsulated and cross-linked – help to plump the look of fine lines for a supple, youthful appearance.Calcium Ketogluconate works to rejuvenate tired skin. This hydrating serum lends a film of quenching moisture, promoting a fresh, radiant complexion.