GHK Cu (Copper Peptide) LeadWest Medical How to Inject Peptide Based Medications (Subcutaneous Method) Hone Health Fraley Whats the difference between GHK Cu (copper peptide) as a topical cream vs an injection? In this video I break down: What GHK Cu is and why its used in anti aging skincare What results Peptide GHK CU Cream Concierge MD You started using a GHK Cu peptide serum on your face and now , The things no one tells you., Yes, the injections can hurt like a bitch. , Heres the thing Ive found it works even better topically,