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 Melanotan & Tanning Injections: Safe or Risky? UK Australia Best Sells Extreme Rapid Tan Nose Spray Nasal Tanners Double Strength for Self Tanning Nasal Spray Tan Melanotan II Best Sells Extreme Rapid Tan Nose Spray Nasal and Melanotan Nasal sprays containing the 'Barbie Drug' melanotan are very, very dangerous and completely unregulated, according to leading dermatologist. Experts say there has been a surge in the use of the illegal tanning aid