Don't risk using tanning products containing melanotan Therapeutic Goods Administration (TGA) Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn Melanotan II Nasal Tanning Spray Risks: Dizziness, Nausea, Skin Cancer Business Insider Melanotan 2 10mg 10mg Peplogix 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.