Melanotan II (Tan Jabs): Why They're Not Worth The Risk Melanotan 2 10MG Raw Amino Melanotan II (MT II) Peptide Therapy Beverly Hills Your body already makes a hormone that tells your skin to tan. Melanotan 2 is a synthetic peptide engineered to mimic that hormone but in a version that's more potent and longer lasting than Watch Me Tan with Melanotan 2 MT2 Year 2 Results, Side Effects, & My Full Protocol