Can GHK-Cu cause copper toxicity?

This site's GHK-Cu studies do not measure copper toxicity. A 2015 review of cosmetic studies in people described firmer skin. The rest is lab and animal work: skin cells making collagen in a dish, and wound healing in rats. GHK-Cu is allowed as a cosmetic ingredient in the US, UK, Australia, and Canada, and it is not an approved drug. Shots of it are far less studied. Being listed as a cosmetic is not a counted copper-toxicity rate for a research-chemical shot. This FAQ does not invent one. Full record at /compounds/ghk-cu.

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.