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Amount:50mg GHK-Cu in Research: Copper Peptide for Cellular Repair Studies GHK-Cu is a copper tripeptide studied for its role in collagen synthesis, antioxidant gene regulation, and wound healing Soap for Smooth Skin DIHEXA PEPTIDE 10MG VIAL – UMBRELLA Labs https://share.trustpilot.com/images/company-rating?locale=en-US&businessUnitId=490e609b000064000503dc79

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