GHK Cu Ascend Bio Labs In Vitro and in Vivo Studies of pH Sensitive GHK Cu Incorporated Polyaspartic and Polyacrylic Acid Superabsorbent Polymer ACS Omega Little peptide, but a BIG job! GHK Cu is a naturally occurring copper peptide that gets a lot of attention in research because it's been reported to influence thousands of genes tied to 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