Perioral dermatitis might look a lot like acne, but the resemblance is deceptive, said Dr. Carrie Kovarik, a dermatologist at the Hospital of the University of Pennsylvania and a member of the American Academy of Dermatology’s Covid-19 task force. “People confuse it with ‘maskne,’ and they are two different things.”
With mask-induced acne, your pores get clogged with dirt, skin flakes or oil, giving rise to inflamed cysts that may burst. But perioral dermatitis is more of an inflammatory rash. There can be various causes, but it tends to be triggered by a disruption of your skin’s natural equilibrium, Dr. Sprague said, from the use of topical substances like steroid medications or irritating cosmetics.