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Defined by the amino acid sequence Gly-His-Lys, GHK-Cu coordinates a single copper(II) ion through the nitrogen atoms of the glycine amino terminus, the histidine imidazole ring, and the deprotonated amide nitrogen between residues 1 and 2
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In addition, its powerful antioxidant and anti-inflammatory properties soothe sensitivity, resist photoaging, help rebuild a healthy and resilient skin barrier, and restore youthful radiance to the skin
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