is azelaic acid an aha?
So, what is Azelaic Acid? ... Unlike glycolic and lactic acids, Azelaic Acid is not an alpha hydroxy acid (AHA) and it's not a beta hydroxy acid (BHA) like salicylic acid either. Azelaic Acid is produced by a yeast that occurs naturally on our skin and as a result it has an array of skincare benefits.