Melanocortins Protect against Diabetes Caused by Obesity Encyclopedia MDPI Melanotan II (MT II) Peptide Therapy Beverly Hills Think you need the Barbie drug (Melanotan II) to get a tan? Think again This unapproved synthetic drug might promise a sunless tan, but it's far riskier than it seems. From nausea to 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. Dangerous 'Barbie drug' Melanotan II sparks crackdown on social media influencers ABC News