DMDavid M. Ozog

1. Article · Sep 29, 2026 · ByDavid M. Ozog, MD, FAAD, FACMS ByJoel M. Gelfand, MD, MSCE, FAAD ByGabrielle M. Grasso

   Beneath the Surface: Is red light therapy safe? (opens the original)

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   Red light therapy is safe for most dermatologic conditions. But overuse or misuse has been linked to reports of headaches, ocular injuries and other adverse events that can be avoided with some commonsense precautions. In this Beneath the Surface video interview, Joel M. Gelfand, MD, MSCE, FAAD, the James J. Leyden Professor of Clinical Investigation and professor of dermatology and epidemiology at University of Pennsylvania’s Perelman School of Medicine and Healio Dermatology’s Chief Medica

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2. Article · Sep 25, 2026 · ByDavid M. Ozog, MD, FAAD, FACMS ByJoel M. Gelfand, MD, MSCE, FAAD ByGabrielle M. Grasso

   Beneath the Surface: Benefits of red light therapy for photoaging, acne and more (opens the original)

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   Established evidence has long supported the use of red light therapy for radiation oncology, but emerging data suggest benefits for photoaging and acne as well. In this Beneath the Surface video interview, Joel M. Gelfand, MD, MSCE, FAAD, the James J. Leyden Professor of Clinical Investigation and professor of dermatology and epidemiology at University of Pennsylvania’s Perelman School of Medicine and Healio Dermatology’s Chief Medical Editor, spoke with David M. Ozog, MD, FAAD, FACMS, chair

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3. Article · Sep 23, 2026 · ByDavid M. Ozog, MD, FAAD, FACMS ByJoel M. Gelfand, MD, MSCE, FAAD ByGabrielle M. Grasso

   Beneath the Surface: How red light therapy works with David Ozog, MD (opens the original)

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   Red light therapy has exploded across social media as a trending wellness treatment, but what is the science behind it? In this Beneath the Surface video interview, Joel M. Gelfand, MD, MSCE, FAAD, the James J. Leyden Professor of Clinical Investigation and professor of dermatology and epidemiology at University of Pennsylvania’s Perelman School of Medicine and Healio Dermatology’s Chief Medical Editor, spoke with David M. Ozog, MD, FAAD, FACMS, chair of the department of dermatology at Mich

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• Perelman School1 piece