PDF) Increasing illegal use of Melanotan: The Barbie drug hype Background Melanotan (MT) II Melanocortin Receptor Agonist MedChemExpress Health expert says Melanotan II darkens skin moles and can make melanoma hard to detect Herald Sun Rise in use of 'dangerous' tanning injection Channel 4 News Clinically important side effects of Melanotan II and placebo Download Table Avoid nasal tanning sprays or nasal tanners entirely. These products promise an all over tan without sun exposure but they are unregulated, can be unsafe, and contain potentially risky substances like Melanotan 2.