The key to preventive aging in your 20s? Starting early, with science that's gentle yet powerful. Introducing the new Copper Peptide + PDRN 1.25% Face Serum your first step into anti aging Buffet" + Copper Peptides 1% The Ordinary Sephora GHK Cu Facial Serum 0.5%, 30 grams Defy Medical Same GHK Cu. Better way. Same GHK Cu copper peptide complex. Completely different experience. If you've been eyeing the pen, put it down. We made something better, and your skin barrier will thank you