Melanotan 2 (Nasal Spray) PenLab Peptide Research Peptides 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 Clinical and Dermoscopic Characteristics of Cutaneous Sarcomas: A Literature Review When it comes to tanning peptides, there are two main options: Melanotan 1 and Melanotan 2. Melanotan 1, also called afamelanotide, is FDA approved for a rare light sensitivity condition and works