Melanotan II (MT II) Peptide Therapy Beverly Hills Australians who use tanning products containing 'melanotan' are at risk of serious health problems. These products include nasal sprays and other injectable and ingestible tanning products, and are being illegally promoted and Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn A Current Affair: Tanning 'Barbie drug' a danger to users, experts say The Tanning Drug What Patients Should Know Melanotan is trending again. As a dermatologist, I strongly need to tell you It's an unapproved injectable peptide, and we're seeing: nausea and flushing darkening of existing moles