Fire Safe Chemical = Aluminum Oxide. For more information on the toxicity of this chemical please visit: http://www.sciencelab.com/xMSDS-Aluminum_oxide-9922858 Personal Experience: I work at a convenience store and I deal with a lot fo smokers (I mean a lot) and within the first two weeks of the introduction of the "fire safe" cigarettes, almost every one of my cigarette customers came in with a lost voice, and were complaining of their throats hurting more after smoking these FSC cigarettes. My grandma in law is also... read full review »