Advanced Insights into GHK Cu's Regenerative Mechanisms Molecular Catalyst for Collagen Production GHK Cu (5 mg) is a research grade tripeptide that modulates gene expression to accelerate collagen synthesis and mitigate inflammatory signaling. Explore its CongenPharma Patent: A synthesis method of Tripeptide 1 and Copper Peptide ( GHK Cu) and its application CongenPharma_Providing sustainable and affordable peptides GHK Cu may Prevent Oxidative Stress in Skin by Regulating Copper and Modifying Expression of Numerous Antioxidant Genes GHK Cu is a copper peptide that plays a role in tissue repair and collagen synthesis. The result: improved texture, firmness, and overall skin quality.