PT - JOURNAL ARTICLE AU - Paul C. Jou AU - Ron J. Feldman AU - Kenneth J. Tomecki TI - UV protection and sunscreens: What to tell patients AID - 10.3949/ccjm.79a.11110 DP - 2012 Jun 01 TA - Cleveland Clinic Journal of Medicine PG - 427--436 VI - 79 IP - 6 4099 - http://www.ccjm.org/content/79/6/427.short 4100 - http://www.ccjm.org/content/79/6/427.full SO - Cleve Clin J Med2012 Jun 01; 79 AB - Ultraviolet (UV) radiation is the major environmental risk factor for nonmelanoma skin cancer and is a suspected risk factor for melanoma. Avoiding overexposure to direct sunlight during the peak daylight hours, wearing protective clothing, and applying sunscreen are ways to protect the skin. To provide clinicians with the tools to advise patients and to answer their inquiries, including which sunscreen to use, we review UV radiation’s effect on the skin, how sunscreens block UV light, current recommendations on sunscreen use, and new sunscreen labeling requirements.