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 Reacting to TikTok Melanotan Nasal Spray Challenge Nasal tanning sprays contain Melanotan II which is banned in the UK and some users have been hospitalised. We would urge residents not to use these products. You Should Avoid Using Nasal Tanning Sprays Melanotan 2 Nasal Spray Research Grade Peptide Australia