What are 'melanotan' injections? Explaining the controversial tanning drug Dazed MT 2 (Melanotan II) Polar Peptides Health expert says Melanotan II darkens skin moles and can make melanoma hard to detect Herald Sun The Benefits of Melanotan 2 UK SARMs 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.