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GHK-Cu and copper uglies Albeit rare, some people may experience a side effect from using GHK-Cu or other copper peptides known as copper uglies. Though there arent any studies on this phenomenon, some users have anecdotal reports of copper peptide skin care products leading to what looks like accelerated skin aging instead of antiaging

More Serious Issues: In rare cases, particularly with high, unsupervised doses or pre-existing health problems, there are reports of liver or kidney issues

Because it is a protein (a tripeptide), the body often sees it as food and tries to digest it into its individual amino acids

The drip runs over 45 to 60 minutes