Precise Peptides Australia GHK Cu (copper peptide) is actually something your body already makes when youre younger which is great, until it slowly starts disappearing., It basically tells your body to repair itself better. Switch Hair + Skin Ghk Cu, Hyaluronic Acid, Marine Collagen Australian Vitamins Neurogan Health, GHK Cu Copper Peptide, Hair & Scalp Serum GHK Cu (Copper Peptide) 4% Neck & Face Serum 1,200mcg (1 oz bottle) : Amazon.com.au: Beauty