Back in the 1960s, NASA worried that their moonwalking employees wouldn’t be able to maintain their dental hygiene. As a result, they developed a foamless, ingestible toothpaste called NASAdent. – Tiny Fox Lab Facts
How Do Astronauts Brush Their Teeth?
However, more recently, the Canadian Space Agency reports that astronauts, 'use the same toothpaste as on earth.'
Jesse, posted on 12/31/2019, 863 views