Martina Big Says She's Black From Melanotan II Injections Misinformation Melanotan Peptides Peptide Sciences Corp 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