Claim: The main cause of breast cancer is the use of antiperspirant.
Fact-check: The role of antiperspirant in causing breast cancer is not proven - Full Fact
Verdict: cancer research uk says that at present there's no convincing evidence that using deodorants or antiperspirants affects breast cancer risk.
Organisation: Full Fact
Author: Daniella De Block Golding
Date published: 2021-09-30T00:00:00