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, Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms Copper Peptide Liposomes for Skin Care BOC Sciences PDF) The Effect of the Human Plasma Molecule GHK Cu on Stem Cell Actions and Expression of Relevant Genes Copper peptides explained what are the differences between copper peptides and GHK CU peptides? What they actually do for the skin in terms of repair and collagen, and what you can and cant mix Tolerance and Desensitization Springer Nature Link