Jan 04, · Acne is supposed to go away after our teen years but for many of us, it simply doesn’t. What worked as a kid won’t cut it now, so we need acne treatment for adults. It’s also . Apr 25, · PSA: Retinoids are one of the best ingredients you can be using on acne-prone skin. According to Melissa Kanchanapoomi Levin, MD, a New York City-based dermatologist Occupation: Beauty Editor.