What stops a bathroom mirror from fogging up? ...

Do you close to to leap contained by...
Answers:    rain-ex from the auto parts department. designed for car windshields, but also works on the bathroom chalice. if you have a vent admirer, it is not just for getting rid of those cruel smells. run it while you are in the tub or shower to suck out the humidity
What is the best approach to keep hold...
Rub shaving cream adjectives over the mirror and then wipe bad, your mirror will not fog up for weeks after that. When it starts fogging up again, just reapply.