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 100mg For Copper Binding Research 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 99% Pure Copper Peptides (ghk cu) Great for DIY 1 Gram Etsy Peptide Spotlight: GHK Cu (Copper Peptide) A naturally occurring tripeptide found in human blood. Here's what the preclinical research shows. Swipe for Research Simplified and full study citations. Full studies: http: pmc.ncbi.nlm.nih.gov articles GHK Cu Copper Peptide Benefits, Uses & Safety Intra V