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. GHK Cu Organic Serum Copper Peptide for Anti Aging & Skin Repair GHK Cu Copper Peptides: Topical vs Injectable GHK Cu 100 mg High Purity Copper Peptide Proliven Labs Okay, real talk. This is my 1month progress on GHKCuno filter, no magic, just consistent repair work. , GHKCu is a naturally occurring copper pptide in our bodies that helps support collagen,