GHK Cu Copper Peptide Skin & Healing Beverly Hills Copper Peptide Hair Growth Treatment GHK cu, AHK cu, Licorice Root Extract, Ginseng Root Extact GHK Cu: The Peptide That Supports Healthy Aging GHK Cu (copper peptide) is naturally occurring in the body and plays a role in supporting skin health, collagen production, and tissue repair. As Ghk cu Peptide Face Serum NEW Cobalt Blue Bottle 2 Oz Etsy 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 Buy GHK Cu Exceptional 99%+ Purity Third Party COA Included