Peptides for Gut Health: What the Research Currently Shows Your Health Magazine The tripeptide GHKCu complex ameliorates lipopolysaccharideinduced acute lung injury in mice Oncotarget Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule of the effects of GHK on pulmonary fibrosis. GHK exerts anti fibrotic Download Scientific Diagram