PeerJ The function and mechanisms of action of lysyl oxidase like 3 (LOXL3) in cancers Everyone's calling GHK Cu a miracle peptide But let's separate marketing from mechanism. GHK Cu isn't magic. It's a signal. A signal that: Supports tissue repair Modulates inflammation Enhances collagen + Can GHK Cu Copper Peptide Tighten Skin After Weight Loss? Lysyl oxidase like 2 Encyclopedia MDPI Site specific cross linking of collagen peptides by lysyl advanced glycation endproducts Chemical Communications (RSC Publishing)