Buy GHK Cu Exceptional 99%+ Purity Third Party COA Included 12 weeks in, and my skin has NEVER looked better! GHK peptides are doing their thing. Alright, I need to give you an updateit's been 12 weeks since I started using GHK GHK Cu Jartides skin concerns] I've been using the Ordinary Buffet copper peptides for about a week and today I've noticed dry flaky skin on my eyelids and under my eyes. This is the only