I was minutes from death after taking 'Barbie drug' everyone needs to be warned 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 Obesity due to MC4R deficiency is associated with reduced cholesterol, triglycerides and cardiovascular disease risk Nature Medicine Nasal tanning sprays linked to skin cancer, trading standards officers warn Consumer affairs The Guardian Tanning, fake tan and Melanotan Cancer Research UK