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Copper peptide serums
Serums with copper peptides, often used to help skin look firmer and smoother.
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| Serum | Key peptides | Size | AU price | Per ml | Good for | Where to buy |
|---|---|---|---|---|---|---|
| Signal peptide complex (% not stated) | 50ml | $109.00 | $2.18 | Peptide moisturiser |
Prices as seen 17 Oct 2026, may change. Sorted by price per ml. Ratings from the retailer shown. “% not stated” means the brand doesn't list it.
Cheapest per ml
Drunk Elephant Protini Polypeptide Cream, about $2.18/ml.
Cosmetic products only. Patch test first, and see a dermatologist for skin concerns.