GHK Cu is that feminine peptide every man should still be using if you want to age well. In this video I show the exact math and visuals for the dosage I take GHK Copper Peptide GHK Cu Tripeptide 1 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 What is the safe topical dosing, duration, and contraindications for the copperbinding peptide GHKCu for wound healing or antiaging?