Emerging Threat: Melanotan, Repackaging, and Online Sales Tanning Bed & Nasal Spray User Warned Of Dangers: 'You'll Regret That' Viral tanning 'Barbie drug' linked to cancer, experts warn Australians who use tanning products containing 'melanotan' are at risk of serious health problems. These products include nasal sprays and other injectable and ingestible tanning products, and are being illegally promoted and Is Melanotan II (Afamelanotide) nasal spray safe to use for tanning? 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