Health chiefs were spooked by reports the chemical is carcogenic. But the artificial colouring agent has been banned in the UK and across the EU since 2013.
All Britons should be given water containing fluoride to fight tooth decay, health chiefs rule dailymail.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailymail.co.uk Daily Mail and Mail on Sunday newspapers.