GHK Cu is the compound your body made at 25 and quietly stopped making. Most people find it in overpriced serums. Few understand what it actually does, or what happens when you're not Chevy Chase GHK Cu Peptide Therapy Copper Peptides for Skin Things to Know VibrantSkin Bar GHK Cu Peptides: Unlocking the Copper Peptide Revolution in Skin Care GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B 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