GHK-Cu
Copper tripeptide used topically or in research contexts for matrix discussion.
Overview
Common in cosmetic peptide discussions and dermal matrix research.
What it is
Copper (II)-complexed glycyl-histidyl-lysine tripeptide.
Mechanism (high level)
Literature discusses collagen/elastin modulation and wound models — topical vs systemic differs.
Quick facts
- Dosage
- Topical per product concentration
- Route
- Topical
- Cycle
- 8–12 weeks topical (cosmetic trials vary)
- Storage
- Room temperature unless label states otherwise
Research indications
- Skin barrier / cosmetic research
Research protocols (education)
Education-first logging template
Use PepTok to track adherence and notes; any protocol must be directed by a qualified clinician.
Interactions
Often avoided with
- Layering strong acids without patch test
Often combined with
- Sunscreen
- gentle moisturizer
Patch test new products.
Side effects & safety
- Irritation or redness — discontinue if persistent.
Regulatory notes
- Cosmetic vs drug claims vary by jurisdiction.
FAQ
Is this a prescription?
PepTok does not provide prescriptions; it is for logging and education.
Related in catalog
Track in app
Save favorites, compare protocols, and track over time
PepTok gives you structure: stacks, reminders, notes, and progress snapshots in one place.
Educational content only. This material is not medical advice. Verify legality, sourcing, and dosing with a qualified professional.