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 Rigid flexible nanocarriers loaded with active peptides for antioxidant and anti inflammatory applications in skin ScienceDirect Everyones chasing fat loss, meanwhile Ive been over here rebuilding my skin, my hair, and my recovery from the inside out., GHK Cu has quietly become one of the non negotiables in my routine GHK Cu Peptide Regenerative & Cosmetic Research