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 ...

Held inside the silky, hydrating serum is azelaic acid which helps to soothe redness and fade dark spots, while niacinamide and vitamin C help to smooth texture and uneven skin tone. It’s the perfect ...