Tanning Nasal Spray: Should You Skip It? What is Melanotan II the drug that the TGA urges consumers to avoid? Tanning Bed & Nasal Spray User Warned Of Dangers: 'You'll Regret That' What is a nasal tanning spray? How does it work? It acts on the pituitary goand in your brian to mimic sun exposure! Stimulating melanocytes, increases the risk of a melanoma, but there are other Illegal tanning nasal spray not a 'harmless alternative' to sunbaking, says TGA ABC News