Dermatologist lltefat Hamzavi, MD, FAAD, Senior Staff Physician in the Henry W. Lim Photomedicine and Photobiology Unit of the Department of Dermatology at Henry Ford Hospital in Detroit, MI, explains how visible light interfaces with ultraviolet A light to cause increased pigmentation and erythema and offers tips on how to mitigate this damage with the judicious use of a sunscreen with antioxidants.
