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Synthetic GHK-Cu is permitted in topically-applied cosmetic products under the INCI name Copper Tripeptide-1 within the Cosmetic Regulations framework, but that pathway covers cosmetic-grade ingredient use only, not the research-grade material on this page

[DOI] [PMC free article] [PubMed] [Google Scholar] 187.Ramracheya R, Chapman C, Chibalina M, Dou H, Miranda C, Gonzlez A, Moritoh Y, Shigeto M, Zhang Q, Braun M, Clark A, Johnson PR, Rorsman P, Briant LJB

Your cart is empty Continue Shopping GHK-Cu (Copper Tripeptide-1) is a naturally occurring bioactive tripeptide present in human plasma and tissues

For the full science with published studies and citations, read our tirzepatide research overview