Copper Peptides Elmhurst IL Chicago Accelerated Aesthetics 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 7% GHK CU ACCELERANT Platinum Skin Care What is the optimal dosing regimen of GHKCu for topical skincare and woundhealing applications? The GHK Cu pen works. But needles at home were never the answer. We took the same clinically backed copper peptide complex and put it into a serum you can use in 30 seconds,