I bought this same jar and put my makeup brushes in it!! I love it because they no longer get dusty which is so bad for your skin plus they are supposed to be stored vertical like this to be best for the brushes! Its also pretty to look at!
30 Brilliant Bathroom Organization and Storage DIY Solutions
Plant holders make great hair styling supply holders. Instead of hanging plants in them, you just mount them to the wall and put your blow dryer, curling iron and other hair supplies inside. They look great in the bathroom and help you to save a bit of cabinet space.