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. GHK Cu 50mg Skin & Tissue Repair Research Peptide Cellular Glow Copper Peptide GHK Cu Serum for Face GHK Cu (Copper Peptide) Provider Supervised Therapy IV Glow Bar GHK Cu Peptide: Turn Back the Clock Naturally Calibrate Hydration I didnt expect much when I started using GHK Cu but after 6 months, I get it., Heres what Ive noticed:, My skin feels tighter and smoother, That crepey look? Way less noticeable, Fine