GHK Cu might be trending, but its not new., Before you inject yourself with this viral peptide, consider this., This copper peptide has been studied for years in skin repair and collagen signalling, 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. Oral Liposomal Copper GHK Liposomal GHK Cu Supplement Injectable GHK Cu: Beginner's Guide to Copper Peptide