GHK-Cu

At a glance

The cream has human trials. The injection stings and has none. Evidence grade B / C on an A-to-D scale.

Reported practice from trials and the community, not a recommendation for anyone.

What is GHK-Cu used for?

Researchers have studied GHK-Cu for collagen production, skin tightening and glow, hair growth, and more. In plain terms: Your skin made tons of this when you were young. By 60, you have almost none. Research shows it restarts collagen production and DNA repair.

Is GHK-Cu FDA-approved?

No. GHK-Cu is not approved for human use anywhere. It is sold as a research chemical, which means no manufacturing standard, no batch recall and no one to report a problem to. The only quality control is the buyer's own.

How is GHK-Cu usually taken?

The commonly reported pattern is cream (best evidence), or under the skin, daily, for cream: indefinitely. Injected: 4 to 6 weeks. That describes reported practice from trials and the community. It is not a recommendation for anyone, and several of these compounds interact with common medications.

How strong is the evidence for GHK-Cu?

Grade B / C on this site's A-to-D scale. B means tested in people, but not approved for the use people buy it for. The cream has human trials. The injection stings and has none.

Is GHK-Cu banned in drug-tested sport?

It is not specifically listed by the World Anti-Doping Agency, but tested athletes should check the current list and their federation's rules, since related compounds and blends often are.

How long does GHK-Cu stay in the body?

The half-life, the time for half a dose to leave the body, is about ~2 hours. A short half-life means it wears off fast and is taken more often; a long one means once a week can be enough. Stored as a dry powder it keeps for months in the fridge; once mixed with water it is used within a few weeks.