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 What It Is and Its Relation to Skin Cancer Nasal tanning sprays and oral tanning drops are often marketed as quick fixes for glowing skin but these products are unregulated in the UK, with unknown ingredients, dosing, and formulation. They have Nasal Tanners Say "NO WAY" to the spray! UNAPPROVED, UNREGULATED, UNSAFE. Nasal tanning sprays, or nasal tanners, promise an all over tan without sun exposure. However, they are unregulated, can be Pyoderma Gangrenosum Secondary to Melanotan Cureus