Therapeutic Goods Administration cracks down on banned 'Barbie drug' Melanotan II Herald Sun Doctors have warned people not to use so called 'Barbie Doll' tanning injections bought over the internet Irish Mirror Melanotan II is the product that's been dubbed the "Barbie drug" on social media, and promises to give users a tan without the sun but it can have serious side effects including, in rare cases, The weight loss drug Melanotan 2, also known as the Barbie drug, has taken social media by storm. Melanotan 2 is widely promoted online, despite it being illegal and dangerous in the UK. Amber Haque