GHK Cu is getting a lot of attention right now, and for good reason. This is not just a skin peptide. It's a copper binding tripeptide with documented effects on gene expression, collagen synthesis, Can subcutaneous injection of GHKCu (copperbinding peptide) increase the risk of cancer? GHK Cu Copper Tripeptide 1 Research Reagent GHK Cu Copper Peptide Powder, CAS 49557 75 7, Purity Barbados Ubuy Amazon.com: QUBIT GHK Cu Copper Peptide Supplement for Skin & Hair, Easy to Absorb, Precisely Dosed 90 Vegan Capsules : Health & Household GHK Cu, commonly known as copper peptides, are found naturally within the human body where they play a vital role in skin repair and maintenance. Copper peptides support optimal skin function by helping