Copper Peptide Regenerating Serum for Glowing Skin and Hair Copper Peptide Serum with 1% GHK Cu peptide, Argireline and Matrixyl 3000 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 Meet GHK Cu, the peptide designed to help your skin repair itself. From supporting collagen to promoting hair growth, this "Copper Peptide" offers powerful benefits for your wellness routine. Check out the details Peptide Labz Copper Peptide Hair Growth Serum, 10% GHK cu, 5% AHK cu, Rejuvenates Follicles Walmart.com