Sharing my personal experience with Melanotan tanning injections (now nasals) how vanity led me down the path of using it, thinking I'd done all my research. Now, years later, I'm dealing with Melanotan 2 Fridge Life: The Real Storage Timeline & Best Practices Nasal tanners claim to work by using Melanotan II, a chemical that darkens skin pigmentation. It is illegal to sell medicinal products containing Melanotan II in the UK but since the tanners are sold Melanotan II Erectile Dysfunction Studies: What Early Research Shows and Practical Realities