7 days on GHK Cu. Here's my honest update. I'm not going to hype this up because the real results don't even start until week 46. But something is already happening. 7 days on GHK Cu. Here's my honest update. I'm not going to hype this up because the real results don't even start until week 46. But something is already happening. SKINHI BLUE01 Copper Peptide GHK CU 1.4% All Over Body Care Size 50ml Aytz Chayim Aromatherapy GHK Cu by HK Peptides Test Certificate Finnrick Analytics The first order degradation profiles of GHK Cu in various medium stored Download Scientific Diagram