GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Oral Liposomal Copper GHK GHK Cu Peptide: Benefits for Tissue Repair, Healing, and Recovery Revolution Health & Wellness 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