GHK Cu Peptide for Skin & Hair Facial Serum & Scalp Solution Glowyour way. Meet GHK Cu, our glow enhancing copper peptidenow available in both a luxe topical cream and an injectable option, personalized to how you want to elevate your results. This is the Peptide Therapy for Fat Loss, Longevity & More in NYC Prefusion GHK Cu (glycyl l histidyl l lysine copper) is a powerful peptide that binds with copper to promote skin regeneration and repair. It works by: Stimulating collagen & elastin production Helps firm and smooth the skin. What is BPC 157 (Body Protection Compound) and how can it help? Axon Integrative Health LLC