What Causes Adult Acne, and How Can You Treat It?

Pimples can pop up at any age, experts say. But at-home treatments can help. https://static01.nyt.com/images/2023/12/12/multimedia/12ASKWELL-ADULT-ACNE3-bptz/12ASKWELL-ADULT-ACNE3-bptz-mediumSquareAt3X.jpg