China Factory source Dmdm Hydantoin GHK CU CAS 89030 95 5 Unilong factory and manufacturers Unilong NeolPharma GHK CU 50MG High Purity Copper Tripeptide Neol Pharma GHK Cu AHK CU + GHK Cu Hair Serum Pro 4800mg Hair Growth Neurogan The hard to stabilize peptide, GHK Cu, is the active ingredient in NEEL's anti aging skin care gel and has 3% GHK Cu (Copper Tripeptide 1). #neel #neelgel #neelskincare #healthyskin #skincareroutine #skincaretips #skincarejunkie #longevity The hard to stabilize peptide, GHK Cu, is the active ingredient in NEEL's anti aging skin care gel and has 3% GHK Cu (Copper Tripeptide 1). #neel #neelgel #neelskincare #healthyskin #skincareroutine #skincaretips #skincarejunkie #longevity