Your body already makes a hormone that tells your skin to tan. Melanotan 2 is a synthetic peptide engineered to mimic that hormone but in a version that's more potent and longer lasting than Nasal tanning sprays, or nasal tanners, are unregulated and potentially unsafe products that could be linked to skin cancer. These products can produce nasty side effects, such as nausea and vomiting, high IMB issues warning over tanning injections at salons or bought on internet The Irish Times 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