Students use a lot of correction pens.
They occassionally use correction pens to correct the wrong letters when they are taking exams or doing their homework.
These pens contain substances harmful to the human body, such as benzene, ethane, etc.
When you open the correction pen lid, it emits a stimulating smell similar to that of gasoline, which also contains harmful substances in the human body.
According to experts, correction pens are easily volatilized, so they are harmful to health if they are absorbed by the body through the airways.
It also harms your eyes.
When the correction pens do affect your eyes, they become red and watery and symptoms such as abnormal reactions or vomiting.