You Should Avoid Using Nasal Tanning Sprays Melanotan II reverses memory impairment induced by a short term HF diet ScienceDirect 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 longer lasting than The Tanning Drug What Patients Should Know