You can’t. Because deodorant can’t cause cancer.
We’ve heard this hoax passed around a lot – wearing deodorants can cause breast cancer. But according The Canadian Cancer Society, there is no evidence that deodorants and antiperspirants can cause cancer. Plus, there’s no apparent risks towards the human body, except making you smell better.
The Canadian Cancer Society states that:
There you go, it’s a hoax. Wearing deodorant will not cause cancer.