Changes in Oral Mucosa Associated with Melanotan II Injections: A Case Report Nasal tanning sprays linked to skin cancer, trading standards officers warn Consumer affairs The Guardian Warning issued over increased use of 'Barbie drug' Melanotan & Tanning Injections: Safe or Risky? 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