MediCube Hyaluronic Multi Peptide Serum (Ingredients Explained) GHK Cu Peptide: What It Does for Body Composition and Metabolic Health Product Question] The Ordinary is launching a new Growth Factor serum in January, thoughts? : r SkincareAddiction Let's take a short break from K beauty and revisit an OG skincare ingredient that has decades of research behind it: Copper peptides. One serum that highlights this ingredient beautifully is the @deciem