With the launch of our new serum, many of you have been asking how it compares to Theramid's Copper Peptide So here's a quick breakdown of the key differences between the With the launch of our new serum, many of you have been asking how it compares to Theramid's Copper Peptide So here's a quick breakdown of the key differences between the GHK CU for Sale Tripeptide 1 3rd Party Tested US Made Multi Peptide + Copper Peptides 1% The Ordinary