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 The Ordinary Ghk Copper Peptide TikTok Pdrn Vs Growth Factors Vs Peptide TikTok Not all peptides are created equal., @niod Copper Amino Isolate Lipid 1% delivers bioavailable copper peptides + skin identical lipids to support real skin renewal., 1% GHK Cu to visibly improve Review: Niod Copper Amino Isolate Serum CAIS2 My Skincare Regime