Nasal Spray GHK CU 100mg 10ML Nasal Spray Peptide GHK CU Cream Concierge MD Revitalize your skin with the ultimate rejuvenation ally! GHK Cu Nasal Spray by Xenogenix delivers powerful copper peptide goodness to boost collagen, smooth fine lines & give you that youthful glow. Drift's Peptide Nasal Spray Takes Anti Aging in a New Direction Glow Peptides GHK Cu, BPC 157, TB 500 8mg Each The GHK Cu pen works. But needles at home were never the answer. We took the same clinically backed copper peptide complex and put it into a serum you can use in 30 seconds,