Zephrigen cocktail is a physician formulated peptide injection combining BPC 157, TB 500 and GHK Cu to accelerate healing, reduce inflammation and promote radiant skin. This all in one blend promotes healthier skin by 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 as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link GHK Cu Peptides Benefits for Anti Aging Skin Rejuvenation How to Use With Micro Infusion