Biossance Squalane + Copper Peptide Rapid Plumping Serum The name may have changed, but the science remains. , Meet the newly named Multi Peptide + Copper Peptides 1% Serum. But what exactly does it do? , This water based, lightweight serum uses multiple This Multi Peptide GHK CU copper peptide serum from The Ordinary has me out here with the best skin of my life #ghkcuserum #copperpeptides #multipeptideserum #ttspringbeauty #mothersdaygiftideas Ghk Cu Serum Vs The Ordinary