How to deal with the fog prevention of hotel bathroom mirror?

1. Apply with dry soap, and then wipe with a dry cloth.

2. Wet the cloth with 90% alcohol and wipe it clean.

3. Drop a few drops of shampoo on a sponge or cotton cloth and then wipe it.

These three methods all have the effect of preventing the glass from fogging.

The simplest and most convenient thing is to use a mirror anti-fog film, which is both anti-fog and anti-rust. How simple it is