Combined micro-needling with topical metformin versus micro-needling with topical placebo in the treatment of melasma: a concurrent split-face study
Arch Dermatol Res. 2024 Nov 13;317(1):13. doi: 10.1007/s00403-024-03449-4. ABSTRACT Melasma is an acquired dysfunction of melanogenesis, that poses a major therapeutic challenge