Radiance Restore (Epithalon + GHK Cu) Pure Hydration IV Spa in Jacksonville 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 Copper Peptide Neck & Face Serum GHK Cu is one of the most talked about peptides in aesthetics right now. But how much of what you have heard about it is actually true? Copper peptide, known as GHK Cu, has Amazon.com: Neurogan GHK Cu (Copper Peptide) Neck & Face Serum 1,200mcg (1 oz bottle) : Beauty & Personal Care GHK Cu may be trending, but it's nothing new to us. We have been using GHK Cu (our Copper Peptide Complex) for over 15+ years post treatment and in your dialy routine. #GHKCu #CopperPeptides #