How to get rid of the smell in the bathroom at home?

Where is the place that starts to smell if there is little care?
Many of you would think of the bathroom ~
If so, how can we protect the bathrooms at home from the smell?

Damage caused by indoor smoking is too distressing!
How can I fix it?

There is no smoker in my family…
Why does it smell like cigarettes in my house?
Should we keep up with the pain of smoking between floors and indoors?

Do we need to ventilate?

1000 times more likely for indoor pollutants to reach the lungs!
There are dozens of reasons to ventilate, but on a day with a lot of fine dust, natural ventilation is difficult…
Himpel~~ Help me to ventilate the room ~!