Cosmetic Grade Organic Intermediate Liposomal GHK Cu 20% 30% 50% 70% Copper Peptide Tripeptide 1 Copper GHK Cu Alibaba.com Liposomal Copper GHK Fullscript The Liposomal Copper GHK from @quicksilverscientific has become a non negotiable in my routine. GHK Cu is a copper peptide that our bodies naturally produce, but has we age, our levels drop significantly. Before and after begins with consistency. Our 10% GHK Cu formula is engineered for deep absorption to support scalp health and visible density.