GHK Cu (Copper Peptide) is a naturally occurring peptide in the body that binds with copper to support cell repair and renewal. As we age, our levels decrease and thats where supplementation or How does this Patch work and what are the benefits of Copper Peptide GHK CU? Proprietary form of phototherapy Patented Nanocrystal Technology Reflects light to activate Non Transdermal Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms Rejuvenation and Youth with GHK Cu Peptide Treatment Dr. Ahmet zyigit