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.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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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

More trials for these conditions

Other studies related to the condition(s) this trial covers.