This compound has been studied for over 50 years. Most people discovered it last year on social media. In 1973, Dr. Loren Pickart identified GHK Cu while studying why young blood could GHK Copper Peptides for Skin and Hair Defy Medical GHK Cu Peptide: What It Does for Body Composition and Metabolic Health Subcutaneous Injection Sites and Instructions for Safe Self Administration GHK Cu Peptide Benefits (And a Few Risks) Explained YouTube 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