Melanotan 2 (MT 2) is a synthetic peptide commonly studied for its role in melanin production and pigmentation processes. Researchers use it to explore skin response and peptide activity in controlled lab environments. Avoid nasal tanning sprays or nasal tanners entirely. These products can produce nasty side effects, such as nausea and vomiting, high blood pressure, respiratory issues, and even links to skin cancer. Nasal Melanotan II A Sun Kissed Look, and a Confident You. Seven Days Of Melanotan 2 Only about 4 hours of sun exposure this week. I feel as though my face has gotten the best results so far. Hoping the sun actually comes