GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B 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 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 The ladies are raving about GHK but let's see if it actually makes a difference #lowtox #health #GHK #migraine #women What is the safe topical dosing, duration, and contraindications for the copperbinding peptide GHKCu for wound healing or antiaging?