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[DOI] [PubMed] [Google Scholar] [40].Mentlein R, Gallwitz B, Schmidt WE
(2020) characterized the ternary copper complex formed between GHK, copper(II), and cis-urocanic acid (a UV-absorbing compound in skin), demonstrating a potential mechanism for GHK-Cu to function as a solar photoprotectant while maintaining its copper-delivery function
Lieb, W., Enserro, D
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