I've been getting a lot of questions about GHK Cu, so here's a quick breakdown. GHK Cu is a copper peptide that naturally occurs in the body and plays a role in skin repair GHK CU : r Peptidesource 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 My Reta & GHK Cu Peptide Stack: Dosage, Benefits & Skincare Glow Up!