NIOD Copper Amino Isolate Serum 3 1:1 (CAIS 3) ingredients (Explained) Copper Amino Isolate Serum 3 1:1 harnesses the power of two key ingredients to target visible 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 Got the Blues: NIOD CAIS Review & CAIS2 First Look BeautyandtheCat's Beauty Blog Biossance Squalane + Copper Peptide Rapid Plumping Serum