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GHK-Cu helps to reverse this process by upregulating the expression of genes involved in collagen and elastin synthesis, effectively rebuilding the skin's extracellular matrix

Human data are still limited, and long-term safety is unknown

10.1254/jphs.fp0072161 [DOI] [PubMed] [Google Scholar] Kolovrat M., Gojkovic S., Krezic I., Malekinusic D., Vrdoljak B., Kasnik Kovac K., et al

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Moreover, the combined treatment of these two agents proved more effective than single interventions, suggesting potential synergistic effects (Mobasher et al., 2022)

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