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 Organic Copper Peptide GHK CU Anti Aging Moisturizer Lightweight Hydrating Cream Copper Peptide 10% GHK CU, 5% AHK CU with Oligopeptide 1 Hair Treatment Serum GHK Cu Peptide Therapy Topical Cream BHive Management Rejuvenation and Youth with GHK Cu Peptide Treatment Dr. Ahmet zyigit