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Again, this is a general cosmetic-chemistry point and not specific to GHK-Cu

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Contemporary estimates indicate that in 2020, roughly 900,000 people were diagnosed with liver cancer and ~ 830,000 died from the disease, underscoring its high case-fatality rate [3]

[DOI] [PMC free article] [PubMed] [Google Scholar] 116.Meng Y., Li T., Zhou G.-S., Chen Y., Yu C.-H., Pang M.-X., Li W., Li Y., Zhang W.-Y., Li X