Why do cigarettes have a filter?

Cigarettes have filters for several reasons. The primary purpose of a filter is to reduce the amount of harmful substances that are inhaled when smoking. Filters are typically made of cellulose acetate, a material that acts as a physical barrier between the tobacco smoke and the smoker’s mouth.

One of the main components of cigarette smoke is tar, a sticky substance that contains various chemicals and carcinogens. The filter helps to trap some of the tar particles before they reach the smoker’s mouth and lungs. This can potentially reduce the risk of lung diseases and other smoking-related health issues.

Filters also contribute to the taste and overall smoking experience. They can help to reduce the harshness or bitterness of the smoke by cooling it down and removing some of the particulate matter. This can make smoking feel smoother and more enjoyable for some individuals.

Additionally, filters can help to control the amount of nicotine and other chemicals that are absorbed by the smoker. Some filters are designed to provide a lower nicotine intake by incorporating ventilation holes or certain additives. This can be beneficial for individuals who are trying to reduce their nicotine consumption or quit smoking altogether.

Why do cigarettes have a filter?