Claim: The majority of toothpastes contain a toxic chemical, fluoride.
Fact-check: Fluoride levels in toothpaste aren't toxic when used as directed - Full Fact
Verdict: while large amounts of the substance may be toxic, the amount of fluoride in toothpaste is safe when used as directed.
Organisation: Full Fact
Author: Dr Fergus Brown
Date published: 2023-10-31T00:00:00