GHK Cu Copper Peptide: The Ultimate Peptide For Longevity GHK Cu is one of the most talked about peptides in aesthetics right now. But how much of what you have heard about it is actually true?, Copper peptide, known as GHK Cu, has a growing body of peer Can subcutaneous injection of GHKCu (copperbinding peptide) increase the risk of cancer? GHK Cu might be trending, but its not new., Before you inject yourself with this viral peptide, consider this., This copper peptide has been studied for years in skin repair and collagen signalling, Wellness peptide craze: why people are injecting drugs 'not for human consumption'