On this page, you can find all waterproof beard trimmers for in the shower. Do you want to trim a wet beard? You'll find the right device for you here. These beard trimmers all have a waterproof casing. The upside of using the beard trimmer in the shower is that you wash away the beard hairs right away. You can also easily rinse the trimmer when you're done. If you don't have much time, it's possible to use the trimmer with a dry beard.