Copper Peptides
Also known as: Cu-peptide, Copper tripeptide-1, GHK-Cu
Copper-binding peptides that support collagen production and skin repair processes.
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Get the appWhat it does
Copper peptides are amino acid complexes that bind copper, a trace mineral essential for collagen cross-linking and wound healing. In skincare, they signal skin cells to increase collagen and elastin synthesis while supporting antioxidant enzyme activity. They may also help reduce inflammation and support skin barrier function.
Benefits
- Promotes collagen and elastin production for firmness
- May improve skin texture and fine line appearance
- Supports wound healing and skin repair
- Provides antioxidant and anti-inflammatory effects
- Generally well-tolerated by sensitive skin types
Who it suits
- Mature skin
- Dull or texture-compromised skin
- Sensitive skin (often gentler than actives)
- Post-procedure/compromised barrier
How to use
Apply serums or creams containing copper peptides to clean skin once or twice daily. Can be layered with most ingredients but allow each product to absorb.
Pairs well with
Hyaluronic acid, Niacinamide, Vitamin C, Moisturizers and occlusives
Be careful pairing with
none notable
Safety & cautions
Copper peptides are generally safe at typical skincare concentrations (0.1–1%). Avoid excessive copper intake from multiple sources; discontinue if irritation occurs, though reactions are uncommon.
Educational information, not medical advice. Concentration and formulation change how an ingredient behaves.