"Tartaric acid is an alpha hydroxy acid (AHA), a naturally occurring dicarboxylic acid," dermatologist Jodi LoGerfo, DNP, APRN, FNP-C, tells POPSUGAR. It is naturally found in fruits rich in ...
Azelaic acid is a skincare ingredient that beauty insiders will be very familiar with. It is a skin-friendly dicarboxylic acid derived from grains that has significant skin-calming effects and helps ...