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 Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B PEPTIDE SCIENCES GHK CU GHK CU 50mg Vial Copper Peptide Pure Bio Labs Definitive Guide on Peptides for Skin and Hair Care Infusion Clinic ABQ