Melanotan II: Tanning injections, nasal sprays harmful to health Melanotan injections are sold illegally and possibly unsafe Cancer Research UK Cancer News Melanotan is trending again. As a dermatologist, I strongly need to tell you , Its an unapproved injectable peptide, and were seeing:, nausea and flushing, darkening of existing moles, Cancer Association of South Africa (CANSA) Fact Sheet and Position Statement on Sunless Tanning 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