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Meet GHK Cu. The ingredient your skin has been waiting for Copper peptide is bioidentical to compounds your skin naturally produces and as levels decline with age, so does collagen, elasticity, and GHK Cu: Mechanism of Action, Collagen Stimulation, and Clinical Evidence Epigenetic mechanisms activated by GHK Cu increase skin collagen density in clinical trial EurekAlert! GHK Cu for Skin: What the Evidence Shows RethinkPeptides
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