There are more resistant than other woods. For bathrooms bamboo, teak and wenge it is recommended, because they are high quality materials and therefore require greater investment. If you want more affordable wood furniture, you need to confirm that they have a good treatment to resist water.
In the market there are many lacquers to coat the wood that will provide the necessary protection for the conditions to which it is exposed.
It is also important that when placing the back of the counter, which is against the wall is perfectly sealed, this way you avoid leaks bring headaches later.
To care for this furniture is highly recommended to avoid contact with the steam. Therefore, it is essential to the bathroom an exhaust fan, especially if your bathroom does not have a perfect natural ventilation. For it is important to dry them well after the shower cabinet.
To clean I advise you to use the cleaners traditional furniture, but avoid those that contain harsh chemicals. You should not use scouring pads. It is best to use a cotton cloth like the one you use to clean the rest of the furniture you have at home.
If there is a stain of those who do not seem to get away with anything in the cabinet, I suggest you use a cloth with cleaning fluid bronze. And to restore the gloss only you have to rub the furniture with cloth.
Another excellent option is to combine wooden furniture with glass. In this way, you can protect the surfaces on which you know you will see support wet objects without losing brightness.