The glycyl l histidyl l lysine Cu2+ tripeptide complex attenuates lung inflammation and fibrosis in silicosis by targeting peroxiredoxin 6 ScienceDirect If your GHK injection site gets irritated try this , 1. Dilute it by adding more water to the syringe , 2. Let it sit until it reaches room temperature , Also, make sure youre rotating injection GHK Cu Peptide: What It Does for Body Composition and Metabolic Health How to Measure and Inject GHK Cu (Copper Peptide for Skin and Tissue Repair) YouTube GHK Cu Copper Peptide Body Lotion Anti Aging Skin Tightening Anti Wrinkle 10 fl oz