Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn Hannah Tittensor and her boyfriend Ben Dunlop have been injecting themselves with an illegal tanning drug called Melanotan for three years. On top of that, they use sunbeds regularly and slather themselves Melanotan II (MT II) Peptide Therapy Beverly Hills Eruptive naevi and darkening of preexisting naevi 24 h after a single mono dose injection of melanotan II Semantic Scholar