Epigenetic mechanisms activated by GHK Cu increase skin collagen density in clinical trial EurekAlert! Have you used peptides? What are your thoughts? Let me know below Peptides are short chains of amino acids that play vital roles in cellular signaling and repair throughout the body. Peptides for Plastic Surgery Recovery: A Clinical Guide to GLOW, KLOW, and NAD Plus Frank Agullo, MD Injury recovery is not only about rest. It is about signaling. Certain peptides studied in regenerative physiology appear to accelerate tissue repair by enhancing cellular communication, circulation, growth signaling, & inflammation control. GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy Peptide Therapy for Inflammation: A New Solution