Brush your teeth twice a day for a full two minutes, floss daily, and use mouthwash to help avoid the contagious bacteria.

Source: https://www.huffingtonpost.co.uk/entry/oh-good-you-can-spread-bad-teeth-by-kissing_uk_64677e88e4b0ab2b97e6ecae

Contributing factors include poor oral hygiene, smoking, alcohol, stains from food and drink and use of chlorhexidine mouthwash.

Source: https://www.dailymail.co.uk/health/article-12067215/Patients-tongue-turns-BLACK-hairy-rare-reaction-common-antibiotic.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

I soaked my feet in hot water, (yes, mouthwash) to prep them.

Source: https://www.buzzfeed.com/jordanagrigs/callus-remover-convinced-witchcraft-is-real

Now, a scoping review does not mean that you review something while gargling mouthwash.

Source: https://www.forbes.com/sites/brucelee/2023/04/29/no-these-2-papers-dont-show-face-masks-cause-long-covid-mies-stillbirths/

When you use charcoal toothpaste or mouthwash, it can help to eliminate bad breath caused by food, drink, and other factors.

Source: https://doctor.ndtv.com/living-healthy/healthy-living-8-benefits-of-adding-charcoal-to-your-routine-3906175