Skin aging is a complex biological phenomenon consisting of two independent clinically and biologically distinct processes, namely “intrinsic aging” and “extrinsic aging.”1,2 Extrinsic aging (including “photoaging”) is the result of exposure to outdoor elements, primarily ultraviolet (UV) irradiation. Photoaged skin shows a variety of age-associated clinical alterations, including deep wrinkles, sallow discoloration, and irregular pigmentation.