The Canadian Space Agency is at it again. First they showed us how extra precautions need to be taken while cutting fingernails and then how much more fun it is to open a can of mixed nuts in space. Now, they’re letting us in on how astronauts complete one of the most important hygienic tasks without gravity: washing hands.

CSA astronaut Chris Hadfield was asked this question by a student during a video link with David Johnston, the Governor General of Canada, and 200 grade school students from Ottawa.

Hadfield produces a pouch of no rinse body bath — a “special type of slightly soapy water” — to show the students how getting clean happens in zero gravity.

Canadian Space Agency Demonstrates How to Wash Hands in Space With Zero Gravity

(Image: YouTube screenshot)

First, squirt some water out of the pouch.

Canadian Space Agency Demonstrates How to Wash Hands in Space With Zero Gravity

(Image: YouTube screenshot)

Second, catch the ball of water as it starts to float away.

Canadian Space Agency Demonstrates How to Wash Hands in Space With Zero Gravity

(Image: YouTube screenshot)

Third, rub hands together — watch out for droplets of water that are sprayed outward.

Canadian Space Agency Demonstrates How to Wash Hands in Space With Zero Gravity

(Image: YouTube screenshot)

Finally, grab a towel and dry off.

Canadian Space Agency Demonstrates How to Wash Hands in Space With Zero Gravity

(Image: YouTube screenshot)

See how it’s done for yourself:

(H/T: Daily Mail)