Toothpaste fluorine formed in stars
Published 21 August 2014 Image: The Hubble Heritage Team (AURA/STScI/NASA) The fluorine that is found in products such as toothpaste was likely formed billions of years ago in now dead stars of the same type as our sun. This has been shown by astronomers at Lund University in Sweden, together with colleagues from Ireland and the USA. Fluorine can be found in everyday products such as toothpaste an
https://www.lunduniversity.lu.se/article/toothpaste-fluorine-formed-stars - 2025-07-13