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She says TOSOWOONG Copper Peptide Face Serum has 1,000 ppm copper tripeptide-1 and a broader supporting formula with 12 peptides, niacinamide, multiple hyaluronic acids, collagen-supporting ingredients, and adenosine. Her verdict is that, while The Ordinary wins for maximum copper-peptide potency, TOSOWOONG is a great alternative for people wanting copper peptide plus hydration, brightening, and a wider mix of skin-supporting ingredients.