Tanning Nasal Spray, Long Lasting Tan, Sunless Tanning, Golden Tan, Betatan Melano Tan Tanning Bed & Nasal Spray User Warned Of Dangers: 'You'll Regret That' Say No to Nasal Tanning Sprays Dermatology Times 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.