Nasal Tanning Sprays: Illuminating the Risks of a Popular TikTok Trend MDedge The Project Experts warn that using Melanotan II, a nasal spray tan, is not as harmless as it first appears, urging Aussies striving to be beautifully Instagram Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn 10mg 15 ml Experience a Radiant Tan, Effortlessly and Safely, with fckfat Melanotan Nasal Spray! Avoid nasal tanning sprays or nasal tanners entirely. These products promise an all over tan without sun exposure but they are unregulated, can be unsafe, and contain potentially risky substances like Melanotan 2.