Clear, Calm and Bright: The Power of Azelaic Acid
You might think you know azelaic acid (AZA) but think again. AZA is a dicarboxylic acid that exists naturally in grains like rye, wheat and barley and can be found in human urine. Hopefully that fun fact does not start a new social media trend! I know, gross, right? While AZA is a natural ingredient, […]