Post-Acne Hyperpigmentation

Post-acne hyperpigmentation is that frustrating souvenir your skin leaves behind after a breakout finally clears up. You did everything right—you treated the pimple, you didn’t pick (okay, maybe you picked a little)—and now you’re staring at a constellation of dark marks that make your skin look worse than when you actually had acne. Infuriating, right?…