What is the safe topical dosing, duration, and contraindications for the copperbinding peptide GHKCu for wound healing or antiaging? Everything you need to know about GHK Cu WHAT IS IT? A copper peptide your body naturally produces but production drops by 60% by age 60. It's one of the most GHKCu Skin Repair Des Moines Peptide Therapy Iowa IV GHK Cu Copper Peptide Benefits, Uses & Safety Intra V GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B