what's inside of cigarettes Chemicals used in Cartons of cigarettes are displayed

And why not

Of note is that throughout the 1970s the American Cancer Society, the National Cancer Institute, and most major health organizations promoted the concept of a less hazardous cigarette in the belief that most people who smoke would not or could not stop

Combustion and chemical creation When lit, a cigarette burns at nearly 900C, creating thousands of new chemicals including carbon monoxide, hydrogen cyanide, benzene, formaldehyde, and carcinogenic hydrocarbons

Activated charcoal not only offers a large surface area, but its porous texture also means it has a lot of contact with harmful substances and smoke particles