Your body already knows this peptide it just makes less of it over time. GHK Cu is a naturally occurring copper peptide that supports tissue repair, improves skin quality, and helps reduce inflammation Copper peptides explained what are the differences between copper peptides and GHK CU peptides? What they actually do for the skin in terms of repair and collagen, and what you can and cant mix GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B Oral Liposomal Copper GHK Liposomal GHK Cu Supplement