Using Melanotan to Prevent Polymorphous Light Eruption aka SUN POISONING Natural Kaos 50 Weeks on Melanotan2. Used to be Type 1 and never able to tan. Have never felt better! Beard color change is epic : r Melanotan2 MT 2 (Melanotan II) Polar Peptides 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