You Should Avoid Using Nasal Tanning Sprays 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 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 Dangerous 'Barbie drug' Melanotan II sparks crackdown on social media influencers ABC News