Topical azelaic acid is used in –: (A) Hyperpigmentary disorders, (B) Dermatophyte infections, (C) Vitiligo, (D) Mixed infections
Answer is A. Azelaic acid is a depigmenting agent. Other depigmenting agents are hydroquinone, retinoic acid, kozic acid, glycolic acid, monobenzyl ether of hydroquinone.