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10.1038/tp.2016.290 [DOI] [PMC free article] [PubMed] [Google Scholar] Rapanelli M., Frick L
Our GHK-Cu is a research-grade lyophilised powder supplied at 99% HPLC purity with a full COA and mass-spectrometry identity confirmation, intended for in-vitro laboratory research rather than topical or cosmetic use
Enhances overall skin health and texture
Some people mix it with carrot or apple juice for a milder taste
