How Melanotan 2 Affects Hair Colour Especially in Red or Ginger Hair Pure MT2 MD breaking down Melanotan II Part 2 of my peptide series. The research, the risks, the reality. Long term safety data? Nonexistent. 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 Love Island generation' skin cancer fear This guy injected himself with a drug called Melatonan II for 5 months. Here's his before after. : r pics