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. Pyoderma Gangrenosum Secondary to Melanotan Cureus Melanotan II (MT II) Peptide Therapy Beverly Hills Melanotan II Erectile Dysfunction Studies: What Early Research Shows and Practical Realities Melanotan II: Tanning injections, nasal sprays harmful to health