Changes in Oral Mucosa Associated with Melanotan II Injections: A Case Report Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn Melanotan II (Tan Jabs): Why They're Not Worth The Risk Melanotan II: Tanning injections, nasal sprays harmful to health MELANOTAN EXPLAINED! Benefits, Risks, Side Effects 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.