A Dermatologist Breaks Down the Best Acids to Use in Every Decade of Your Life

If you're a skincare newbie, acid may initially sound like a scary thing to incorporate into your skincare routine—especially if you have sensitive skin. But they're powerful ingredients that fight off annoying ailments like hyperpigmentation, sun spots, fine lines, dryness and more. Admittedly, there are a lot of acids, and each of them works differently, so how are you supposed to know which one is right for you and your skin at this stage of your life? We enlisted board-certified dermatologist Joyce Imahiyerobo-Ip, MD, to break down the most beneficial acids for every decade.