GHK Cu Peptide Copper Peptide Research Beyond Peptides What is GHK Cu? LIVV Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms Most people think skincare works at the surface level. But healthy skin function starts much deeper than a temporary glow. GHK Cu is a naturally occurring copper binding tripeptide that is already found 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 Amazon.com: QUBIT GHK Cu Copper Peptide Supplement for Skin & Hair, Easy to Absorb, Precisely Dosed 90 Vegan Capsules : Health & Household