GHK Cu Copper Peptide Benefits, Uses & Safety Intra V Definitive Guide on Peptides for Skin and Hair Care Infusion Clinic ABQ GHK Cu Peptides: Unlocking the Copper Peptide Revolution in Skin Care 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 Uses and Benefits #ghk GHK Cu is a naturally occurring peptide in human plasma that declines with age. When used in injections (usually subcutaneous), it can offer various benefits: Skin Rejuvenation and Anti Aging: