Brief Azelaic Acid (CAS No. 123-99-9) is a naturally occurring dicarboxylic acid derived from grains such as wheat, rye, and barley, and is also produced naturally by the skin’s microbiota. It has gained significant attention in dermatology and cosmetics for its anti-inflammatory, antibacterial, and skin-brightening properties. Azelaic acid is widely used in formulations […]