Copper peptide questions we get asked all the time How often should you use it? Do you need to avoid the sun? If you're new, start once daily (evenings are great), GHK CU Crepey Skin Escape Before their use in skincare, Copper Peptides were originally introduced in wound healing research. Listen to the sounds of copper peptides and stay tuned to learn more A year ago I started working with a copper peptide called GHK Cu. Topically every night. And under my doctor's care, I went deeper than topicals with a low dose. The difference in