Helloskin GHK Cu 1% Triple Peptide Regenerative Serum Advanced GHK Cu Neck & Face Serum GHK Cu Copper Peptide Serum 1% Black Tie Health Meet your skin's new obsession: GHK Cu Peptide Serum Now available for $80 This powerhouse copper peptide serum is designed to help support healthier, stronger, more radiant skin. Benefits Copper Peptides Serum for Face 2% Copper Peptide with 4% Epidermal Growth Factor (EGF Serum) Niacinamide Ceramides Squalane & Hyaluronic Acid Multi 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