How it works, simply
The peptide binds copper and is studied in processes involving the skin and tissue remodeling.
What the evidence tells us
Topical cosmetic evidence cannot establish the safety or benefit of injections; FDA flags concerns for injectable GHK-Cu.

Watch with PEP 7
A short introduction; the sources and limitations remain important.
Open video guide
Video guides are coming soon.
Risks and open questions
This guide does not establish a safe dose, interaction profile or long-term safety for self-use. Effects reported for one route or formulation may not apply to another.
Research and education only. PepGuide does not recommend medicines, doses or protocols.
Technical details and study context
Mechanism: Topical cosmetic and injectable-market claims require route- and formulation-specific review.
Sponsor or developer: Product-specific manufacturers
Studied or labeled topics: Cosmetic skin care, Hair-care claims, Wound-healing research
Commercial blend names and research vials do not inherit a medicine’s approval or manufacturing controls.
Sources and review dates
Product labels and further research
These directories help locate records. They are not individual studies supporting every statement.
Readability updated October 10, 2026. Evidence review: October 10, 2026 (FDA safety context only). A wording update is not a new clinical review.