GHK Cu (Copper Peptide) LeadWest Medical GHK Cu (Copper Peptide) Provider Supervised Therapy IV Glow Bar GHK CU Topical Serum 30mL GHK Cu Peptide for Skin & Hair Facial Serum & Scalp Solution 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 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