GHK Cu Copper Peptide Shampoo Ion Peptide GHK Cu Scalp Solution Empower Pharmacy 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 After a year of using GHK Cu both topically and going deeper than topicals (under my doctor's care), the difference in my skin is not something I have to squint at in good