Toothpaste fluorine formed in stars
This article is over 5 years old, and the information may therefore be outdated. 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 toothpa
https://www.lunduniversity.lu.se/article/toothpaste-fluorine-formed-stars - 2026-04-23
