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 50MG Oneday Compounds GHK Cu 50 mg Copper Peptide Research Grade PRG Ghk Copper Peptide Dosage 3ml Vial TikTok GLOW Peptide: BPC 157 + TB 500 + GHK Cu for Injury & Tissue Recovery Revolution Health & Wellness