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 Skincare Bundle RegenMed Direct Peptide face cream for dry skin GHK Cu Intense 50 ml Mirando Nutrition GHK Copper Peptide Concentrate, cumpr ingredient cosmetic Struggling with hair thinning or shedding? Meet GHK Cu, the topical peptide everyone is talking about and NO, it's not an injection! This powerful serum helps: Reduce shedding