GHK Cu Topical Spray Wells Pharmacy Network GHK Cu Copper Peptide Skin & Healing Beverly Hills 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 GHK CU Apollo Peptide Sciences 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