Ghk cu Peptide Face Serum NEW Cobalt Blue Bottle 2 Oz Etsy POV: you dont need skincare until you try Copper Peptides , Our 1% GHK Cu Copper Peptide Serum is back and its the one your routines been missing:, helps support firmer looking skin, Biossance Squalane + Copper Peptide Rapid Plumping Serum 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