Raw materials/tools: toilet water, paper towels.

1, prepare a bottle of toilet water;

2. Pour toilet water on toilet paper, and determine the dosage according to the mark of marker pen;

3, don't pour too much at a time, so as not to waste;

4. Erase traces;

5, you can see that the handwriting soon disappeared. If the marker has too much handwriting, you can use a towel instead of a paper towel.

Note: Don't let these liquids enter your mouth or eyes. Wash your hands after wiping.