What is GHK Cu? LIVV 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 Qure Micro Infusion System #1 Derm Rated Original Micro Infusion Epithalon as a Peptide Strategy to Reduce Fertility Related Stress and Improve Reproductive Outcomes Epitalon: What can this peptide do for telomere protection, aging, and longevity, and where is the evidence? Healthspan