Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum The Blue Revolution: Why 1% Pure GHK Cu is the New Standard for Mature Pure & Cimple Copper Peptide Serum with 1% GHK Cu peptide, Argireline and Matrixyl 3 Dr. Brenner Labs Dr. Patel dives into the science: GHK Cu begins as a threeamino acid fragment of albumin a sequence already found in the human genome. When this fragment becomes dislodged in the body, it binds