GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link Quantitation of Copper Tripeptide in Cosmetics via Fabric Phase Sorptive Extraction Combined with Zwitterionic Hydrophilic Interaction Liquid Chromatography and UV Vis Detection The tripeptide GHKCu complex ameliorates lipopolysaccharideinduced acute lung injury in mice Oncotarget GHK Cu is a naturally occurring copper peptide studied for its role in supporting the bodys repair and regeneration processes. Research suggests it may help stimulate collagen production, assist with GHK Cu Topical Spray Wells Pharmacy Network GHK Cu Cooper Peptide: The Complete Skin & Repair Guide (2026)