Melanotan II (Tan Jabs): Why They're Not Worth The Risk Sunbeds and skin safety Melanoma Focus 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 Melanotan II Safety: Tanning Injection LIVV Natural