True radiance starts where you can't see it. We use GHK CU to target healing and collagen deep beneath the surface for results you can actually see and feel. Click the link in GHK Cu (copper peptide) is a science backed anti aging compound that supports collagen production, skin regeneration, and overall skin health. Used in both topical serums and subcutaneous Copper tripeptide Endogenous Metabolite TargetMol GHK CU