GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B 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, GHK Cu longevity peptide. Your body makes it. Peaks at 20. Down 60% by 60. 50 years of research says it: Modulates 4,000+ genes toward younger expression Regenerates bone and connective tissue