New mouthwash takes on bad breath in clinical trial

NCT ID NCT07265102

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested a mouthwash containing chlorhexidine and chlorine dioxide against a placebo for treating bad breath (halitosis). Forty adults with bad breath rinsed twice daily for two weeks, then switched treatments after a break. The researchers measured breath gases, plaque, gum health, and bacteria to see if the active mouthwash worked better.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

mouthwash containing chlorhexidine and chlorine dioxide

What this could lead to

If it works, this could offer a simple, effective mouthwash for people with persistent bad breath.

What could go wrong

This is a small, completed trial with only 40 participants. The results may not apply to everyone, and the effect might be modest or short-lived.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

Halitosis

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Odonto-Stomatology Hospital of Ho Chi Minh City

    Ho Chi Minh City, 70000, Vietnam