9 Ways to Remedy an Overpicked Face

At this point, you've probably noticed the amount of acids used in skin care — glycolic, lactic, salicylic, you name it. They're known as hydroxy acids, and they work to smooth, brighten, and tighten the skin barrier. But one acid you're probably not used to hearing about is kojic acid, a chemical derived from mushrooms. It's commonly used in spot-fading products because of its ability to lighten pigment and even remove dark spots. Look for products that contain kojic acid, such as iS Clinical Pro-Heal Serum Advance Plus ($148).