GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy If you don't know you should ask somebody. GHK Cu (copper peptide) is a potent, naturally occurring regenerative compound that reverses skin aging, accelerates wound healing, reduces inflammation, and promotes hair growth. It GHK CU Cosmetic for Healthy Skin Aging and Wrinkle Support Pure Prescriptions How to inject peptides at home! Nurse Liz shows how to handle and inject peptides so you can be confident and comfortable. Interested in peptides? Reserve a consult over the phone with nurse Liz,