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) is a science backed anti aging compound that supports collagen production, skin regeneration, and overall skin health. Used in both topical serums and subcutaneous GHK Cu Peptide Therapy in Raleigh, NC Copper Peptide Regenerating Serum for Glowing Skin and Hair Your skin, upgraded GHK Cu (Copper Peptide) is known for its powerful skin supporting propertieshelping you achieve smoother, healthier looking skin. Hydration support Skin repair & renewal Improved texture & tone