what is the black stuff in cigarette filters TIL that change color not because they are trapping part of cigarette smoke, but because they are designed to change color to lead consumers to think that they are I opened up a cigarette
I opened up a cigarette from curiosity (I dont smoke) I cut the filter part from the tobacco part and saw the upper bit of the filter had black parts and the pall mall shift filters have these black marks on them, several of them have it not just one. is this normal? never seen this before : r Cigarettes Cigarette filter Wikipedia Black & Mild Filter Tips Free Shipping Over $99 Filter as Fraud The Center for the Study of Tobacco and Society What could be causing black soot on new air filters?
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