Over-the-counter light therapy for acne: a cross-sectional retrospective analysis

Acne vulgaris affects a large portion of the population and drives many patients to seek over-the-counter (OTC) treatments. Light-emitting diode (LED) therapy has recently emerged as a potential therapeutic option for inflammatory acne. We used the U.S. Food and Drug Administration (FDA) 510(k) premarket submission database to assess the growth in OTC LED therapy devices for treatment of acne. We also used Google Trends data in searches for...