Ultraviolet Rays

  • Tretinoin emollient cream 0.01% for the treatment of photoaged skin
    Judith M. Andreano, MD, Wilma F. Bergfeld, MD and Sharon Vanderbrug Medendorp, MPH
    Cleveland Clinic Journal of Medicine January 1993, 60 (1) 49-55;

    This low concentration appears safe and effective for retarding and reversing clinical changes associated with chronic exposure to UV light.