Doctors warn against viral nasal spray tanning trend Is Melanotan the New Solarium for a Perfect Tan? Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn 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. Avoid nasal tanning sprays or nasal tanners entirely. These products can produce nasty side effects, such as nausea and vomiting, high blood pressure, respiratory issues, and even links to skin cancer. Nasal