Misinformation about sunscreen safety has been circulating on social media for years. The most recent claim, that wearing sunscreen is harmful and may even cause skin cancer, is not only false but dangerous. We asked a top expert, Elizabeth Buzney, MD, outpatient clinical director of the Department of Dermatology at Brigham and Women’s Hospital and assistant professor of dermatology at Harvard Medical School, to weigh in on this concerning trend. She also serves on The Skin Cancer Foundation’s Photobiology Committee.