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 Illegal tanning nasal spray not a 'harmless alternative' to sunbaking, says TGA ABC News Melanotan injections are sold illegally and possibly unsafe Cancer Research UK Cancer News Risks of Melanotan: TGA to issue fresh warning against 'Barbie drug' The Australian Obesity due to MC4R deficiency is associated with reduced cholesterol, triglycerides and cardiovascular disease risk Nature Medicine Insights into Tanning Biology and Tanning Products JCAD The Journal of Clinical and Aesthetic Dermatology