Baby shampoo and mouthwash may fight COVID-19, study finds
NCT ID NCT04802408
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether using a baby shampoo nasal wash and Listerine mouthwash for 4 days could lower the amount of COVID-19 virus in the nose and throat of recently infected adults aged 18-65. Participants were randomly assigned to different wash combinations, including plain salt water as a comparison. The goal was to see if these simple, at-home rinses could safely reduce viral load.
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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
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
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Locations
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Penn State
State College, Pennsylvania, 16801, United States
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Penn State Health Milton S. Hershey Medical Center
Hershey, Pennsylvania, 17033, United States