Found in grains. Azelaic Acid is produced naturally by yeast that lives on normal skin. It brightens the skin tone while visibly improving the evenness of skin texture and reducing the look of blemishes. It is a multi-functional support ingredient for all skin types and also acts as an effective antioxidant. This formula offers a very high 10% concentration of high-purity Azelaic Acid in a lightweight cream-gel system.