GHK Cu Copper Peptide Benefits, Uses & Safety Intra V Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum 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 Felicite Did you know GHK Cu is one of the most studied peptides for skin health and tissue repair? This copper peptide has been explored for its potential to: Boost GHK Cu Hair & Scalp Serum 2400mg 4% Less Shedding Neurogan Neurogan Health