Expression and Purification of Recombinant GHK Tripeptides Are Able to Protect against Acute Cardiotoxicity from Exposure to Waterborne Copper in Zebrafish A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend Tripeptidecopper complex GHKCu (II) transiently improved healing outcome in a rat model of ACL reconstruction Fu 2015 Journal of Orthopaedic Research Wiley Online Library Revitalize Your Skin: The Benefits of Copper Peptide for Youthful Glow GHK Cu (copper peptide) used topically is one of the most well studied skin repair peptides. Here's how it helps the skin, in practical terms: 1. Boosts collagen & elastin GHK Cu signals your skin 12 weeks in, and my skin has NEVER looked better! GHK peptides are doing their thing. Alright, I need to give you an updateit's been 12 weeks since I started using GHK