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Overall, the safety evidence from extensive research and real-world use positions GHK-Cu as one of the safest and best-tolerated cosmetic peptides available, with a risk profile far more favorable than many conventional cosmetic ingredients and pharmaceutical agents

Nerve healing represents another area of significant research interest

Interestingly, ()-epigallocatechin-3-gallate (EGCG), the major constituent of green tea that has potent antioxidant action, was shown to block the inhibitory effect of TGF-1 on GCLC expression and GSH levels in HSCs and TGF-1-induced HSC activation (Fu et al., 2008)

A peptide should not be used to bypass a proper evaluation