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. Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn Risks of Melanotan: TGA to issue fresh warning against 'Barbie drug' The Australian Burning for a Tan: Why Sunbeds and Melanotan Aren't Worth the Risk Young Scot JLE European Journal of Dermatology Eruptive naevi and darkening of pre existing naevi 24 h after a single mono dose injection of melanotan II Afamelanotide tested as a new treatment for vitiligo Vitiligo Clinic