Melanotan II (Tan Jabs): Why They're Not Worth The Risk There has been a worrying increase in the number of young people using sunbeds. Some people are also using nasal sprays and injections with melanotan II in to boost their tan. This isn't Cancer Association of South Africa (CANSA) Fact Sheet and Position Statement on Sunless Tanning 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,