Black smoke rings are caused by smoking, in the process of smoking, smoke will enter the mouth and nose, and then through the trachea and bronchus into the lungs.
Black smoke rings are a phenomenon caused by smoking. Many smokers will notice a layer of grayish black material around their lips and on their fingertips, which is known as black smoke rings. Black smoke rings are caused by substances such as tar and nicotine in tobacco.
How to avoid black smoke rings?
The best way is to stop smoking. If you still want to maintain your smoking habit, then you should pay attention to the following points:
1. Maintain oral hygiene by brushing your teeth and gargling regularly to reduce bad breath and black smoke rings around your lips.
2. Keep your skin clean. Regular use of cleansers and moisturizers can reduce skin damage.
3. Exercise regularly. Exercise can improve blood circulation and help your skin stay healthy.
4. Increase your intake of fruits and vegetables, which are rich in vitamins and antioxidants that help improve the health of your skin.