Rejuvenation and Youth with GHK Cu Peptide Treatment Dr. Ahmet zyigit A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend Ever heard of GHK Cu peptide? It's a naturally occurring copper peptide that helps repair tissue, stimulate collagen, and support skin healing. When used in injectable form, it works at a deeper level Experiencing itching & burning from your GHK CU peptide injections? Try these to hacks: 1. Use a longer syringe to penetrate deeper into the fat cells. 2. Dilute the copper. Here I