Biossance Squalane + Copper Peptide Rapid Plumping Serum 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 Say hello (again) to NIOD Copper Amino Isolate Serum 3 1:1 (CAIS 3 1:1)., CAIS 3 1:1 is the third generation of NIOD's (multi) award winning Copper Amino Isolate Serum. The formula respects NIODs GHK Cu peptide = one of the most powerful ingredients for skin regeneration , It helps improve elasticity, smooth fine lines, and boost that natural glow., Once you start theres no going back ,