GHK Cu Peptide Regenerative & Cosmetic Research GHK CU aka the beauty peptide. I've got the reconstitute and dose chart at the end for reference. Where I purchase mine from Elite Peptides Australia Discount code WISHY10 (because who doesn't love GHK CU 100mg Cellgenic Copper Peptide Serum with 1% GHK Cu peptide, Argireline and Matrixyl 3000 GHK Cu peptide is the ultimate tool of biohacking your skin. Injectable GHK Cu peptide works as a repair signal inside your skin. And when the skin functions better, the visible effects follow: Reduced GHK Cu Peptide Progress: Week 3 Results