GHK Cu, the copper peptide, is a game changing injectable for radiant skin and so much more Here's what it can do: Boost collagen for smoother, firmer skin Anti aging Here are 4 innovative formulations to integrate into your regimen for optimal skin health. , Copper Amino Isolate Serum 3 1:1 contains 1% GHK and 1% GHK Cu, a foundational copper peptide that Copper Peptides Serum for Face 2% GHK CU & 4% EGF Seraphime GHK Cu Copper Peptide Cream (Prescription) UluRx