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[DOI] [PMC free article] [PubMed] [Google Scholar] 92.Bashyal S., Seo J.-E., Keum T., Noh G., Lamichhane S., Kim J.H., Kim C.H., Choi Y.W., Lee S

Chauhan P, Mir RA, Khah MA (2022) AscorbateGlutathione Cycle

Rather than binding directly to the enzyme active site, copper ions interfere with the enzymes function at concentrations achievable through topical or injectable application

A little copper peptide serum goes a long way
Too little may be ineffective, while too much could increase side effects or reduce efficacy
