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 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 Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B Male Hair Restoration Before & After with PRF and GHK Cu DIY 100% Copper Peptide Solution for Skin Hair Nails,Copper GHK cu Tripeptide 1 Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum Jumbo Size