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 Pure Pharma Australia GHK CU 50mg Vial Copper Peptide Pure Bio Labs Are peptide blends "stable" ? pH becomes a big controlling factor in the stability of solutions. We can use pKa values to assess how likely is a functional group to be protonated