GHK Cu Focal Point Vitality GHK Cu Copper Peptides: Topical vs Injectable GHK Cu Copper Peptide Benefits, Uses & Safety Intra V GHK Cu topical Archives i313 Are GHK Cu Injections Safe Enough? Alternatives Options Neurogan Health A lot of people asked how I use GHK Cu (copper peptide) with a pen device, so here's a quick tutorial showing exactly how I do it. In this video I show how