What is GHK Cu Collagen and Elastin Support Neurogan Health Oral Liposomal Copper GHK Liposomal GHK Cu Supplement We've been talking a lot about GHK Cu, but there's always more to learn. Most people think of it as a hair and skin peptide and this is true. But there is Lets talk peptides , Im currently using GHK Cu and if you havent heard of it yet, youre going to want to keep reading., GHK Cu (Copper Peptide) is one of the most researched peptides out