Minerals literally control how good your skin looks!, GHK Cu injections and serum builds collagen, improves firmness, and strengthens hair. Zinc controls oil, reduces hormonal breakouts, and GHK CU Cosmetic for Healthy Skin Aging and Wrinkle Support Pure Prescriptions GHK Cu 50mg Particle Peptides Hi : ) CAIS is NIOD's Copper Amino Isolate Serum. It contains GHK peptides bound to copper which is known as copper peptides (GHK Cu) that are found in our plasma and are good