Illegal tanning nasal spray not a 'harmless alternative' to sunbaking, says TGA ABC News Melanotan II an overview ScienceDirect Topics Australians who use tanning products containing 'melanotan' are at risk of serious health problems. These products include nasal sprays and other injectable and ingestible tanning products, and are being illegally promoted and 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 Tanning, fake tan and Melanotan Cancer Research UK Melanotan II: Tanning injections, nasal sprays harmful to health