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Topical metformin in the treatment of melasma: A preliminary clinical trial

Ravikumar Banavase Channakeshavaiah, Naveen Kumar Andanooru Chandrappa

Journal of Cosmetic Dermatology, 2019

36 citations

Abstract

Melasma is a common acquired pigmentary disorder characterized by symmetric hyperpigmented macules on the face. Triple combination cream (TCC) remains the gold standard treatment but its prolonged use often causes adverse effects. Recently, studies have shown that topical metformin has melanopenic action.

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