Is Copper tripeptide-1 safe?
No data for injectable GHK-Cu
CAnimal and cell studiesCosmetic ingredientas of 2026-10-26
Copper tripeptide-1 applied to the skin has a long history in cosmetics. Reports of harm are few, beyond occasional irritation. In the laser trial, no safety problems were blamed on it. The open questions are about injectable GHK-Cu, which has no human safety data at all. It is reported to change the activity of genes tied to growth. That is a reason for caution until trials exist. 42
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Citations
- Pickart 2015, BioMed Res Int: GHK peptide as a modulator of cellular pathways in skin regeneration, review doi.org
- Pickart 2017, Brain Sci: GHK gene-expression analyses, review doi.org
- Pickart 2008, J Biomater Sci Polym Ed: the human tripeptide GHK and tissue remodeling doi.org
- 2006, Arch Facial Plast Surg: topical copper tripeptide complex on CO2 laser-resurfaced skin, randomized trial doi.org
- Park 2016, Oncotarget: GHK-Cu in lipopolysaccharide-induced acute lung injury in mice doi.org
Reference information only, not medical advice. Drawn from the Copper tripeptide-1 article, fact-checked against the cited sources. No dosing anywhere on this site.