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Adding other active ingredients reduces the peptide concentrations studied in published literature
doi: 10.3390/brainsci6030025
Maheo K, Morel F, Langouet S, Kramer H, Le Ferrec E, Ketterer B, Guillouzo A
GHK-Cu Collagen Production Skin & Hair Health Tissue Repair Copper Tripeptide Complex (GHK-Cu) is a well-established copper-binding peptide complex widely studied in regenerative and cellular signaling research
Jiang, Lijun
