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Copper Peptides

Also known as: Cu-peptide, Copper tripeptide-1, GHK-Cu

Copper-binding peptides that support collagen production and skin repair processes.

peptideComedogenic: 1-2, minimal risk

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What 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

Who it suits

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.

Related guides

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