The tripeptide GHKCu complex ameliorates lipopolysaccharideinduced acute lung injury in mice Oncotarget The tripeptide GHKCu complex ameliorates lipopolysaccharideinduced acute lung injury in mice Oncotarget 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 GHK Cu is a powerful copper peptide that supports collagen production, skin and hair health, and tissue repair. It may help reduce fine lines, improve elasticity, and promote faster healing. Want to learn