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Soleimanzadeh A, Saberivand A, Ahmadi A
As with any injected peptide, there is a possibility of immune sensitization or allergic response, particularly with impure products
PMID 18098602
General Summary If you searched "copper peptides ruined my skin," you are almost certainly experiencing a phenomenon known in skincare circles as the "copper uglies." This is a temporary inflammatory reaction many people get when they start using GHK-Cu, the most studied copper peptide in skincare
S., & Vlainic, J
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