The Hidden Dangers of Tanning Nasal Sprays That You Should Be Aware Of Insights into Tanning Biology and Tanning Products JCAD The Journal of Clinical and Aesthetic Dermatology 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. Melanotan 2 Day 4: Whacky Side Effects. , I am cutting back from daily use and probably using once a week from here on out. , Zero appetite, Fatigue, And what I think was sleep paralysis , And yes