GH IGF 1 excess is suggested to cause endothelial damage via increased Download Scientific Diagram Transform Your Skin: GHK CU Before & After Results Protective effects of GHK Cu in bleomycin induced pulmonary fibrosis via anti oxidative stress and anti inflammation pathways ScienceDirect Research Progress on Neuroprotection of Insulin like Growth Factor 1 towards Glutamate Induced Neurotoxicity Before vs. after 3 months of GHK Cu peptide therapy smoother texture, more even tone, and skin that looks healthier overall. Small peptide, big difference