“…Mehta, 1 S. Handa, 1 P. Malhotra, 2 M. Patial, 1 S. Gupta, 1 A. Mukherjee, 2 D. Chatterjee, 3 A. Takkar, 4 R. Mahajan 1,* Dear Editor, During the COVID-19 pandemic, acne was a commonly reported adverse reaction to medical face mask use amongst healthcare providers (HCP). [1][2][3][4][5][6][7][8] A cross-sectional, online survey applied to HCP was conducted from 17 December 2020 until 17 February 2021. This study was approved by University's Ethical Committee and conducted according to the principles of the Declaration of Helsinki.…”