Reminder of serious health risks with 'Melanotan 2' self tan products Irish Pharmacist I accidentally undid years of skin work and didnt realize it until it was too late., At the beginning of November, I started taking melanotan 2 and honestly?, I loved it., My tan deepened Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn We are alerting the public of the serious health risks posed by the unauthorised substance Melanotan 2, often described as a self tanning aid. We strongly advise members of the public not to Melanotan What It Is and Its Relation to Skin Cancer