Lactic Acid: As you probably guessed, lactic acid is derived from milk. It has a larger molecule size than glycolic acid ...

Azelaic Acid How to ... a biweekly chemical peel of mandelic acid reduced post-inflammatory hyperpigmentation more effectively than other ingredients like glycolic acid or phytic acid.

If there’s one sure way to revitalise your skin, it’s with the experts’ go-to: acids. But with so many different acids out there, which should you add to your beauty routine? Acids.

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 ...