Why Azelaic Acid Is the Underdog of Your Acne-Fighting Routine
Treating acne (and the discoloration it leaves behind) is no easy task, but the best azelaic acid serums can speed up the process. If you’re a skin-care enthusiast, you’ve likely heard of—and experimented with—a handful of acids, be it glycolic, salicylic, or polyhydroxy. However, azelaic acid is particularly effective at killing acne-causing bacteria, loosening skin […]