Melatonin Australia OTC, Prescription & Compounding Don't risk using tanning products containing melanotan Therapeutic Goods Administration (TGA) 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 No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky