(名詞/不可數) 戴口罩所引起的粉刺或青春痘;因戴口罩而惡化的粉刺或青春痘。這個字是由 mask (口罩) + acne (粉刺;青春痘) 拼綴而成。

While maskne might be new to many of us, it didn’t originate out of nowhere. “It has always been an issue in professions where you have to wear a mask regularly,” says dermatologist, Amy Kassouf, MD. “But now that the general public has to wear masks, the incidence of it has certainly increased.”
[, 13 July 2020]