Cellular Glow Copper Peptide GHK Cu Serum for Face GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Our combination of GHK CU Peptide Therapy + advanced laser skin treatments helps support collagen production, improve skin texture, reduce redness, and promote a healthier, more youthful appearance. At Icon MD, every treatment GHK Cu: The Peptide That Transforms Skin and Tissue Health Calibrate Hydration