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What is Topical azelaic acid is used in - and explain in detail?
Topical azelic acid is used in treatment of melasma a hyper pigmentation disorder. azeliac acid is a competitive tyrosinase inhibitor that inhibit the synthesis of melanin. It is used as 10-20% cream and is as efficacious as hydroquinone. IADVL textbook of dermatology , pigmentary disorders page 750