The course of acne in healthcare workers during the COVID-19 pandemic and evaluation of possible risk factors.

Almost half of the participants reported an increase in acne. More than a third of the participants reported that their acne relapsed or they had acne for the first time. In addition to the use of surgical masks, factors such as increased stress, smoking, adult-onset acne, presence of scar, and previous systemic acne treatment were found to be responsible for acne development.