WILGO research guide

GHK-Cu

Copper peptide / skin & tissue research

Current source listing$35–$5950 mg or 100 mg — current range $35–$59

Current pricing/options were checked against the linked source catalog. Availability and pricing can change. This page does not provide dosing or human-use instructions. Clicking the BUY button will take you to Calibrated Labs, and off this site.

Research-use context: “What it is used for” below means what scientists and clinical researchers have investigated—not an instruction or recommendation for personal use.

What researchers study

GHK-Cu is a naturally occurring copper-binding tripeptide investigated for collagen signaling, skin remodeling, wound repair, antioxidant activity and hair/skin biology. Its strongest human experience is topical rather than injectable.

Potential side effects & unknowns

Topical copper-peptide studies have generally reported good tolerability, but that does not establish the safety of injected or systemic GHK-Cu. Systemic adverse effects, long-term exposure and dose-response safety are not well characterized for unapproved research formulations.

Research highlight

Laboratory and topical research has reported effects on collagen, extracellular-matrix remodeling and tissue repair. A controlled study after laser resurfacing found overall skin improvement in participants, but the copper-tripeptide arm was not significantly better than the comparator.

RESEARCH REFERENCE

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Research references

PubMed: GHK-Cu regenerative review ↗ PubMed: topical clinical study ↗

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