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[DOI] [PubMed] [Google Scholar] 74.Ettinger MP, Littlejohn TW, Schwartz SL, et al

The peptide may reduce inflammation and support muscle repair by stimulating stem cells

63 (14), e1900248

Using them in sequence (lighter AHK-Cu spray first, followed by GHK-Curich creams or serums) allows each peptide to optimize a different aspect of skin biology
