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GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link Evaluating the stability and safety of GHK Cu encapsulated in an Download Scientific Diagram Selected Biomarkers Revealed Potential Skin Toxicity Caused by Certain Copper Compounds Scientific Reports GHK Cu Cooper Peptide: The Complete Skin & Repair Guide (2026)
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