Melanotan II (Tan Jabs): Why They're Not Worth The Risk Nasal Tanners House of Boo Petersfield Melanotan What It Is and Its Relation to Skin Cancer 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. People are inhaling 'tanning nasal spray.' But is it actually safe?