Russian doctors have been using this peptide for over 30 years. The West barely knows it exists. It's called Epithalon. And the human data on it is better than many FDA approved What Is GHK Cu? The Copper Peptide That Rejuvenates Skin GHKCU Peptide Therapy Relive Health Houston, TX Buy GHK Cu 100mg (Copper Peptide) 99% Purity, USA Made GHK Cu Peptide for Skin & Hair Facial Serum & Scalp Solution GHK Cu 50mg Copper Tripeptide Research Compound 99%