The Peptide Directory

Not approved (research only)Copper-binding peptides (GHK-Cu)Skin research

Copper peptides

"Copper peptides" usually means GHK-Cu, a copper-binding tripeptide found in plasma and widely used in topical cosmetics.

Last reviewed by The Peptide Directory Editorial Team

What is Copper peptides?

"Copper peptides" usually means GHK-Cu, a copper-binding tripeptide found in plasma and widely used in topical cosmetics. Copper peptides is not approved by the FDA for any use; products sold under this name are labeled for research use only, not for human consumption.

Key takeaways

  1. Copper peptides is not approved by the FDA for any use; products sold under this name are labeled for research use only, not for human consumption.
  2. PubMed indexes 57 papers on Copper peptides (0 tagged as clinical trials) as of October 19, 2026.
  3. ClinicalTrials.gov lists 23 registered studies using Copper peptides.
  4. No vendor in our directory listed Copper peptides when we checked.

Regulatory & access status

Copper peptides is not approved by the FDA for any use; products sold under this name are labeled for research use only, not for human consumption.

Sellers that market unapproved peptides for human use can receive FDA warning letters; our vendor directory links any letter we found on fda.gov.

How much research exists on Copper peptides?

PubMed indexes 57 papers mentioning Copper peptides in the title or abstract, 23 of them from the last five years and 0 tagged as clinical trials (search run October 19, 2026; repeat the search).

Most relevant recent papers

Registered clinical studies

ClinicalTrials.gov lists 23 studies with Copper peptides as an intervention (see all). Most recent:

What the evidence does not show

  • Paper counts measure research attention, not whether Copper peptides works or is safe.
  • No clinical trial in humans is tagged in PubMed under this name.
  • No FDA review of any "research use only" product's identity, purity, sterility or dose.

Research suppliers that list Copper peptides

None of the vendors in our directory listed Copper peptides in their public catalog when we checked. The vendor directory records what each vendor publishes about testing.

Copper peptides reconstitution math

Lab arithmetic only, not dosing guidance: use the peptide calculator to turn a vial size and diluent volume into a concentration.

Copper peptides FAQ

Is Copper peptides FDA-approved?

Copper peptides is not approved by the FDA for any use; products sold under this name are labeled for research use only, not for human consumption.

Is Copper peptides safe?

There are no published human safety trials of Copper peptides that we could find. Products sold as "research use only" have no FDA review of purity, sterility or dose, and are not for human use.

How much research is there on Copper peptides?

PubMed indexes 57 papers on Copper peptides (0 tagged as clinical trials) as of October 19, 2026.

Who sells Copper peptides?

None of the vendors in our directory listed it when we checked.

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