Cellular Glow Copper Peptide GHK Cu Serum for Face 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 ION BLUE's Video on X As someone whos turning 40 in less than two weeks, ive been eager to trying out new skin care regimes and peptide therapies. So far, been loving ghkcu and snap 8. Gave GHK Cu Hello Health Services