GHK Cu Copper Peptide Supplement, 300 mcg per Serving, Liposomal Formula, 100 Vegan Capsules Beaut YouTube 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. Liposomal Copper GHK (Quicksilver Scientific) Boulevard Pharmacy GHK CU 30ml by InfiniWell