GHK-Cu Research: What 79 Studies Show (2026) | RetatrutideCompare

GHK-Cu — 79 studies indexed on PubMed. Delivers copper to tissue; activates LOX cross-linking of collagen/elastin, modulates antioxidant gene expression and ECM remodeling. Half-life: minutes (systemic); local action when topically applied. FDA status: Cosmetic; not FDA-approved as drug.

PubMed search-result count last fetched 2026-06-18. Records may include reviews, laboratory work, and animal studies; this is not a clinical trial count or a measure of efficacy.

Inspect the PubMed query and results

How many studies have been published on GHK-Cu?

There are approximately 79 studies indexed on PubMed that mention GHK-Cu (Copper Tripeptide-1, GHK-Copper), based on a search last updated 2026-06-18.

Is GHK-Cu FDA-approved?

FDA status: Cosmetic; not FDA-approved as drug.

How does GHK-Cu work?

Delivers copper to tissue; activates LOX cross-linking of collagen/elastin, modulates antioxidant gene expression and ECM remodeling.

Delivers copper to tissue; activates LOX cross-linking of collagen/elastin, modulates antioxidant gene expression and ECM remodeling.

Reference facts

Also known as
Copper Tripeptide-1, GHK-Copper
Category
Healing & Tissue Repair
Mechanism of action
Delivers copper to tissue; activates LOX cross-linking of collagen/elastin, modulates antioxidant gene expression and ECM remodeling.
Targets
Cu²⁺-dependent enzymes, Collagen synthesis
Indications under research or approved
Cosmetic anti-aging, hair regrowth, post-procedure skin healing
Regulatory status (reference entry)
Cosmetic; not FDA-approved as drug
Half-life
minutes (systemic); local action when topically applied
Sequence
GHK
Sequence notes
GHK tripeptide complexed 1:1 with Cu²⁺. The copper ion is essential for the regenerative signaling.
Molecular weight (Da)
403
First reported
1973

Primary References

Explore research articles about GHK-Cu

This is an educational reference, not medical advice. Research findings do not establish safety or efficacy for self-administration. Consult the primary sources for study populations, limitations, and current regulatory status.