Can GHK-Cu cause cancer?

No study in this site's review has linked GHK-Cu on the skin to cancer. It is allowed as a cosmetic ingredient in the US, UK, Australia, and Canada, which reflects a known safety record for that use. Copper does complicated things in the body. But this site's review found no study of GHK-Cu in people that reported on cancer.

Copper peptides for skin and hair: what real people saw

Copper peptides for skin and hair: what real people saw

Educational use only. This database summarizes published research and is not medical advice. Where a dose appears it is a record of what a trial or clinic ran, or what people describe doing, with its source attached. Nothing here is a recommendation for personal use.

Part of healing and recovery peptides. BPC-157, TB-500, GHK-Cu, and the tissue repair family, including what actually has human data.