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 restore GHK Cu is one of the most talked about peptides in aesthetics right now. But how much of what you have heard about it is actually true?, Copper peptide, known as GHK Cu, has a growing body of peer GHK Cu is a copper peptide that supports hair growth by stimulating hair follicles, increasing blood flow to the scalp, and extending the hair growth (anagen) phase. It also helps reduce inflammation GHK Cu Peptide for Hair Growth: Science, Benefits, and How It Works