You can spray WD40 and wipe on mirrors to prevent fogged up during showers and baths.
By martha from Parma, OH
This page contains the following solutions.
Well I know everybody loves to have a hot shower or bath. And when you get out you like to look in the mirror, but you can't because it is all steamed up.
To make a homemade anti-fogging glass cleaner try any of the following:
Spray a thin coat of shaving cream onto a dry mirror, rub with a lint-free cloth until the cream disappears...