Melanotan is not a tan. It's an unregulated peptide with real risk. As a dermatologist, here's the reality: It has been linked to new and changing moles including cases of Experts lash use of popular social media sun tanning drug Melanotan Nasal tanning sprays linked to skin cancer, trading standards officers warn Consumer affairs The Guardian I was minutes from death after taking 'Barbie drug' everyone needs to be warned