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 GHK Cu Copper 1% Tripeptide Serum with Hyaluronic New Zealand Ubuy 8 Weeks of GHK Cu Peptide: Before & After Results Amazon.com: Skin Perfection Copper Peptide Serum GHK CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp 1% Blue Liquid for Face, Neck, Body, Scalp Multi Use Serum Booster with