Good-looking skin is your birthright. But even if you’re doing everything possible to look and feel your best, unsightly discoloration can interrupt your self-confidence. Acne, blemishes, scratch marks, and the aftermath of laser resurfacing treatments can make skin appear dull and discolored. And that annoying dark ring around your eye? That’s called periorbital hyperpigmentation (PIH) – and it’s frequently linked with dark circles under the eyes.