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 After a year of using GHK Cu both topically and going deeper than topicals (under my doctor's care), the difference in my skin is not something I have to squint at in good GHK Cu The Doctors Protocol in current Clinical Use , DISCLAIMER, The information shared in this video is for educational and informational purposes only and is based on research, and general GHK Cu Copper Peptide Collagen Boost & Skin Regeneration Calibrate Hydration