Wholesale GHK Cu Copper Peptide Hair & Scalp Serum for your store Faire GHK Cu Youthful Skin, Healthy Cells, Vibrant You. 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, 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 GHK Cu Peptide Benefits (And a Few Risks) Explained YouTube