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[DOI] [PMC free article] [PubMed] [Google Scholar] Cao, Y

[3] This fragment was further observed to lack the mitogenic, proliferative, and insulinotropic activity associated with the N-terminal and central domains of hGH, which include residues responsible for binding to the hGH receptor and stimulating IGF-1 production

GHK-Cu has a broader base of independent research, including several small human clinical studies in dermatological applications and commercially available topical formulations

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The Calculator notes per-compound stability windows

In skincare, the GHK-Cu peptide is typically listed on ingredient labels as Copper Tripeptide-1