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 Copper Tripeptide 1 (GHK Cu): The Premier Anti Aging Ingredient for Skincare Formulators Titan Biotech Ltd. The Ordinary Multi Peptide + Copper Peptides 1% Serum 30mL OLIVE YOUNG Global GHK Biotin Peptide for Hair Growth: The Science Behind Scalp Renewal I'm Fabulous Cosmetics GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B