This peptide reverses aging, And its been hiding in plain sight for decades., GHK Cu (Copper Peptide) is one of the most researched anti aging ingredients out there., Heres what it does:, Your skin, but smarter. Friday = peptide glow up Meet GHK Cu the peptide everyone's talking about for a reason. This isn't just skincare it's skin regeneration. Think: Smoother texture Copper Peptide Solution, 1% GHK Cu in double Hyaluronic Acid Serum Amazon.com: Skin Perfection Copper Peptide Serum GHK CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp 1% Blue Liquid for Face, Neck, Body, Scalp Multi Use Serum Booster with