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Weight:10 x 10mg Lab Pack 4 IV nutrition Certificate of Analysis (COA) Documentation from laboratory testing showing peptide purity, typically via HPLC-MS methods Peptide Repair Face Serum | 2% GHK-Cu Copper Peptide Serum https://www.mdpi.com/biomedicines/biomedicines-10-03221/article_deploy/html/images/biomedicines-10-03221-g008.png
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