Collage: Paula Balondo; Source images: Courtesy of Allure editor and brandsSave StorySave this storySave StorySave this story The best mandelic acid serums are proof that exfoliation doesn’t have to come with a side of irritation. “Mandelic acid is an alpha hydroxy acid (AHA) derived from bitter almonds,” says Lauren Moy, MD, a double board-certified dermatologist …
7 Best Mandelic Acid Serums for Acne, Dark Spots, and Sensitive Skin