The primary use of arsenic is in alloys of lead (for example, in car batteries and ammunition)
This could be why the Devil gives Aki the cigarette in Himenos place, even after being ordered by Akane to kill him
In a list provided by the American Lung Association on their website, here are some more examples of just a few chemicals that are added to cigarettes: acetone which is found in nail polish remover, arsenic which is used in rat poison, benzene which is found in rubber cement, butane which is used in lighter fluid, cadmium which is an active component in battery acid, lead which is used in batteries, methanol which is a main component in rocket fuel, nicotine which is used as an insecticide, tar which is a material for paving roads and toluene which is used to manufacture paint
Delight smokers with unique and boldly designed cigarette boxes
He said his results of personal training were visible after the first two weeks of training