system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Topical azelaic acid is used in –
assistant
The correct answer is  Azelaic acid is a depigmenting agent. Other depigmenting agents are hydroquinone, retinoic acid, kozic acid, glycolic acid, monobenzyl ether of hydroquinone.