TikTokers using genetic disorder drug for the side effects of tanning, weight loss What is Melanotan II the drug that the TGA urges consumers to avoid? Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn Experts warn that using Melanotan II, a nasal spray tan, is not as harmless as it first appears, urging Aussies striving to be beautifully bronzed to stick to fake tan., , #spraytan #melanotan