GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link The naturally occurring peptide GHK reverses age related fibrosis by modulating myofibroblast function He Aging Pathobiology and Therapeutics Caregen Expands U.S. Retail Presence Through Partnership with 2San Caregen has partnered with U.S. healthcare distribution company 2San to expand its peptide based wellness products across the U.S. consumer retail market. Beginning GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy