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 2% GHK CU Copper Peptide Serum for Hair Growth and Scalp Care Seraphime 2% GHK CU Copper Peptide Serum for Hair Growth and Scalp Care Seraphime The Ordinary Multi Peptide Copper Peptides 1 Review Ghk Cu The Ordinary Multi Peptide + Copper Peptides 1% for Wrinkles and Skin Elasticity Ulta Beauty