Are GHK Cu Injections Safe Enough? Alternatives Options Neurogan Health GHK Cu might be trending, but its not new., Before you inject yourself with this viral peptide, consider this., This copper peptide has been studied for years in skin repair and collagen signalling, 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 Cu Peptide: Turn Back the Clock Naturally Calibrate Hydration