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 GHK CU Apollo Peptide Sciences Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule GHK Cu (50 MG) Sigma Compounds Peptide Science Ghk Cu Copper Peptide 50Mg X10 Vials Injection at 14500 box Peptides for skin in New Delhi ID: 2858904631097