GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B GHK Cu for Skin Rejuvenation WeCare Pharmacy GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B GHK CU 50mg Injection, Liquid at 23000 box in Nagpur ID: 2858188904833 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