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Moisten with water first, then use laundry detergent or toilet cleaner, and wipe back and forth with a waste towel with a little force.
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Brush repeatedly with a brush moistened with vinegar.
Try it with toilet cleaner or alcohol. It should be wipe-off. It is recommended that you pay attention to regularly ventilating and dehumidifying the toilet or washroom and turning on the exhaust fan, which can greatly reduce the signs of mold.
Blister with water, then brush with a toilet bowl.
See for yourself: Alcohol is the best!! Toilet paper is dipped in alcohol, and the mark of the oil-based marker is immediately gone. If you don't have a pharmacy nearby to buy alcohol, just go to the supermarket and buy some kitchen grease stains.
You can try to use the wind oil essence on the market, this is cheap and easy to use, our company's sofa was cleaned with this before, and the effect is very good. (The company sells office furniture). >>>More
In general, the dish soap should be removed by heating the water with a cleaning ball.