Melanotan II Wikipedia Is this injectable tanning drug safe to use? 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 Melanotan 2 The Tanning Peptide and my experience. Melanotan II A Sun Kissed Look, and a Confident You. Melanotan Erectile Dysfunction: What the Research Actually Shows