Copper Peptide 10% GHK CU, 5% AHK CU with Oligopeptide 1 Hair Treatment Serum eBay GHK Cu Topical vs Injection Which is the Better Copper Peptide Form? What is a GHK CU Injection? Benefits and Uses Prime IV 12 weeks in, and my skin has NEVER looked better! GHK peptides are doing their thing. Alright, I need to give you an updateit's been 12 weeks since I started using GHK If you're not peptiding, then you are aging! They have been the biggest game changer in my healing and this patch is stimulating my own GHK copper peptides. #peptides #ghk #biohacking