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 for Skin: SIGNAL's Guide to Rejuvenation GHK Cu (copper peptide) used topically is one of the most well studied skin repair peptides. Here's how it helps the skin, in practical terms: 1. Boosts collagen & elastin GHK Cu signals your skin GHK Cu vs AHK Cu: Which Copper Peptide Is More Effective? Amazon.com: QUBIT GHK Cu Copper Peptide Face Cream 4% Peptides Moisturizer for Fine Lines, Wrinkles, Firming, Deep Hydration & Collagen 2400mg GHK Cu for All Skin Types, 30g : Beauty &