GHK Cu DrBrainRX Do you know what this little blue injection is? It's called GHK Cu aka the Glow Peptide I've always believed in peptides for skincare, but honestly I never thought about Amazon.com: Skin Perfection Copper Peptide Serum GHK CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp 1% Blue Liquid for Face, Neck, Body, Scalp Multi Use Serum Booster with Peptides are the hottest word in wellness right now, so naturally I had to dive in!, The peptide stack I am trialing is GHK CU (hair, skin & nails) and Glutathione (neutralizes free radicals, reduces GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B