GHK-Cu

Common questions about GHK-Cu

What is GHK-Cu?

GHK-Cu is the copper-bound form of the human tripeptide glycyl-L-histidyl-L-lysine. It is extensively studied for skin renewal, wound healing, hair-follicle signaling, and as an active in topical cosmetic formulations.

Is GHK-Cu FDA-approved?

GHK-Cu is not approved as a drug for any indication. It is widely used as a cosmetic-grade ingredient in topical skincare and hair-care formulations under standard cosmetic labeling regulations, and is sold by research-peptide vendors as a research compound.

What is the half-life of GHK-Cu?

Pepticker does not publish a quantitative plasma half-life for GHK-Cu — circulating pharmacokinetics in humans are not as well characterized as for prescription peptides. Most published research focuses on local topical or wound-bed concentrations rather than systemic kinetics.

What dose of GHK-Cu is used in research?

Dosing varies dramatically by route — topical cosmetic concentrations are far lower than reconstituted research solutions, and ranges reported in published studies vary by tissue and endpoint. Pepticker does not publish a dosing protocol.

What is GHK-Cu commonly stacked with?

In published research and protocols, GHK-Cu is often combined with BPC-157 and TB-500 for connective-tissue and dermal-repair work, and with cosmetic actives such as Matrixyl and SNAP-8 in topical formulations.

Is GHK-Cu legal?

GHK-Cu is sold as a research compound and as a cosmetic ingredient in the US, Canada, the UK, and Australia. Cosmetic use follows standard topical labeling rules in each jurisdiction. Status is informational — not legal advice.

Editorial summary of published research. Not medical advice. See /methodology for sourcing.