Acne can be a frustrating problem that robs many of their self-confidence. It's hard enough to be a teen with acne, but adults often feel stigmatized by their acne struggles if they continue unchecked into adulthood. And now, with the need to wear masks during the pandemic, even those who don’t normally have skin problems may be having issues, too. Termed “maskne,” this mask-induced acne is a real...