A waterless, edible toothpaste created by a businessman for his critically ill father was sent to the International Space Station (ISS) this month, fulfilling a long-held dream of the inventor ...

Personalized hygiene kits Astronauts are given a hygiene kit with personal care items to make them feel more at home in space. The kits include basics like toothpaste, soap, and body wipes ...

but each time some air would eventually work its way into the toothpaste which would immediately fill the remaining space in the tube with air rather than toothpaste. While not completely ...