Revitalize Your Skin: The Benefits of Copper Peptide for Youthful Glow Copper peptides (GHK Cu) have been studied for decades for their role in tissue repair and that same biology applies to hair. Research shows GHK Cu may help strengthen existing hair follicles, reduce Tripeptidecopper complex GHKCu (II) transiently improved healing outcome in a rat model of ACL reconstruction Fu 2015 Journal of Orthopaedic Research Wiley Online Library The science of 98% stability. Copper Peptide (GHK Cu) is a powerhouse for hair growth, but most formulas fail due to instability. At FITN Clinical Botanical Lab, our 17 year heritage in biotechnology Expression and Purification of Recombinant GHK Tripeptides Are Able to Protect against Acute Cardiotoxicity from Exposure to Waterborne Copper in Zebrafish