Multi Peptide + Copper Peptides 1% The Ordinary GHK Cu may be trending, but it's nothing new to us. We have been using GHK Cu (our Copper Peptide Complex) for over 15+ years post treatment and in your dialy routine. #GHKCu #CopperPeptides # Copper Peptides are the ingredients The Ordinary wants you to know about. Targeting signs of aging such as fine lines and wrinkles, firmness, and elasticity, The Ordinary Multi Peptide + Copper Peptides 1% GHK Cu Copper Peptide Neck & Face Serum