NL GHK Cu (TETRAPEPTIDE + CU) Synthagen Synthagen PL Peptide Therapy in Palm Harbor Olympia Aesthetics Orthopaedic relevant peptides, reported effects, and current regulatory Download Scientific Diagram GHK Cu, is a naturally occurring copper peptide already found in the body Sometimes referred to as Botox in a bottle. , As we age, our natural levels of it declinewhich is why its often Copper peptides better than tretinoin? #dermreacts #tretinoin #copperpeptide Dr Dray Facebook