0:08 Is it challenging to brush your teeth in space, does it go up your nose?
0:24 No running water, no sink.
0:30 Big questions: What do you do to wet your toothbrush and where do you spit afterwards?
0:41 Step 1: Get a ball of water
0:52 Step 2: Get your toothbrush wet
1:57 Step 3: Have a mouth full of toothpaste and a dirty toothbrush, what do I do? Swallow my toothpaste!
2:13 In space, you just swallow your toothpaste!