Canadian Space Agency astronaut Chris Hadfield has a great series of videos of random things floating in space and how astronauts cut their nails in zero gravity without making a mess.
Hadfield's latest video is this mini-tutorial on how astronauts wash their hands in space.
Step 1 – Get a thing called a "No Rinse Body Bath Pouch Assy":
Step 2 – Squeeze the pouch and watch water form into a ball:
Step 3 – Grab the ball of water and place it in your hands:
Step 4 – Rub your hands together, dry with a towel, and you're done!:
You can watch how Hadfield and other astronauts wash their hands in space below:
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