Research use only. Not for use in humans or animals. All products and information on this site are provided strictly for in-vitro laboratory research purposes and are supplied as research chemicals only.
Copper Peptides for Skin: A Research Overview
What are copper peptides?
Copper peptides are short peptides that bind a copper (Cu²⁺) ion. The best-studied example in skin-biology research is GHK-Cu (copper tripeptide-1) — the tripeptide glycyl-L-histidyl-L-lysine complexed with copper. Copper peptides are studied in laboratory research because copper is a cofactor for enzymes involved in connective-tissue and extracellular-matrix biology.
Why copper peptides appear so often in skin research
Skin-biology research frequently uses cultured fibroblasts and keratinocytes to model how the extracellular matrix is built and remodelled. Copper peptides are studied in these systems for their role in:
- Extracellular-matrix synthesis — collagen, elastin, and glycosaminoglycan production in cell-culture models.
- Antioxidant chemistry — copper-dependent redox behavior in vitro.
- Fibroblast and keratinocyte behavior — cell activity in wound-model systems.
- Gene-expression research — broad expression shifts reported in treated cell lines.
All of this is laboratory research; the copper peptides offered here are research chemicals only.
Common copper peptides in research
| Compound | Description |
|---|---|
| GHK-Cu | Copper tripeptide-1 (Gly-His-Lys + Cu²⁺); blue powder |
| AHK-Cu | Ala-His-Lys copper complex, studied in follicle and skin models |
The blue-green color of GHK-Cu is the visible signature of the copper ion; a colorless powder labeled "GHK-Cu" is a red flag that the copper complex is absent.
How to source research-grade copper peptides
- Lot-specific COA with HPLC purity and mass-spec identity.
- Visible blue color for GHK-Cu, confirming the copper complex.
- US synthesis and cold-chain shipping for documented custody and stability.
FAQ
What are copper peptides used for in research?
Copper peptides such as GHK-Cu are studied in skin-biology and extracellular-matrix research models — collagen and elastin synthesis, antioxidant chemistry, and fibroblast behavior in cell culture. They are research chemicals, not cosmetics.