To take advantage of unused space should be used for some purpose important enough, one of which is the powder room for women. You do not need a room big enough to make the design. Powder room’s function was limited to women, so that the area is not too broad to be used for the entire family, especially women. Some of the equipment required is not too much, but it should still fit your needs.
The main facility is the most important of a powder room is the availability of faucet water which serves to wash your face, where the facility is very important and should not be forgotten its existence. As for the other facilities, you may be able to adjust them, are like soap dishes, towel, and some make-ups can be used.