Melanotan II an overview ScienceDirect Topics Melanotan Altmeyers Encyclopedia Department Dermatology Melanotan II (Tan Jabs): Why They're Not Worth The Risk Fake tanning Melanoma Fund UK Uses of Melanotan II_Chemicalbook 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