Emerging Threat: Melanotan, Repackaging, and Online Sales What is Melanotan II the drug that the TGA urges consumers to avoid? 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 O2 Nose Filters Nasal Dilators with 3M Filtration Technology Pack of 10 Allergy Relief Extra Small Walmart.com Tanning Injections & Nasal Sprays: Everything You Should Know