This advanced peptide serum, powered by GHK Cu (Copper Tripeptide 1), is designed to visibly rejuvenate and refine your skin. Formulated with a bioactive brightening peptide complex, it helps improve GHK Cu, the copper peptide, is a game changing injectable for radiant skin and so much more Here's what it can do: Boost collagen for smoother, firmer skin Anti aging Here are 4 innovative formulations to integrate into your regimen for optimal skin health. , Copper Amino Isolate Serum 3 1:1 contains 1% GHK and 1% GHK Cu, a foundational copper peptide that GHK Cu Peptide for Skin & Hair Facial Serum & Scalp Solution