Melanotan II (Tan Jabs): Why They're Not Worth The Risk Is Melanotan the New Solarium for a Perfect Tan? Melanotan is trending again. As a dermatologist, I strongly need to tell you , Its an unapproved injectable peptide, and were seeing:, nausea and flushing, darkening of existing moles, Melanotan II A Sun Kissed Look, and a Confident You. 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.