GHK Cu Topical vs Injection Which is the Better Copper Peptide Form? GHK Cu Peptide Therapy Connecticut Skin Rejuvenation Benefits 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: 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 Peptide Sciences GHK Cu 2 mg per cap Systemic Anti Aging & Repair 60 capsules Egypt Vitamins