Azelaic acid ek natural dicarboxylic acid hai jo skin par lagaya jata hai. Yeh acne aur rosacea ke liye accha kaam karta hai kyunki isme antibacterial aur anti-inflammatory properties hoti hain. Yeh pores ko saaf rakhta hai aur comedones ko kam karta hai. Saath mein tyrosinase ko block karta hai isliye dark spots aur hyperpigmentation ko reduce karne mein bhi helpful hai.