Thymosin Beta 4 (TB500) for Advanced Research Use Complete Peptides Amazon.com: QUBIT GHK Cu Copper Peptide Supplement for Skin & Hair, Easy to Absorb, Precisely Dosed 90 Vegan Capsules : Health & Household 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 (75mg) Alpha BioMed GHK Cu Topical Spray Wells Pharmacy Network