Consumers warned to avoid 'dangerous' nasal tanning sprays and gummies The Independent Tanning Bed & Nasal Spray User Warned Of Dangers: 'You'll Regret That' 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. Doctors warn against viral nasal spray tanning trend Nasal tanning sprays warning issued by Trading Standards