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PMID: 2748061

10.3390/antiox11122345 139 NguyenT.NioiP.PickettC

At lower concentrations (0.1-1 M), GHK-Cu demonstrates modest stimulation of melanocyte proliferation and melanin synthesis, suggesting potential utility in vitiligo or other depigmenting conditions

Santacroce G, Gentile A, Soriano S, Novelli A, Lenti MV, Di Sabatino A