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Antimicrobial and Antiviral Effects of Viscous Mouthwash Containing Cetylpyridinium Chloride and Isopropyl Methylphenol.

Journal of dentistry · Abe Y, Yoshioka A, Takeuchi M · 2026-08-18

A viscous mouthwash containing cetylpyridinium chloride and isopropyl methylphenol rapidly killed oral bacteria and fungi in laboratory tests, and also reduced influenza and COVID-19 virus levels within seconds of exposure.

A plain-English summary of the study's own findings — we don't add our own claims or interpretation. Read the full paper for the complete methods and results, and apply your own clinical judgement.

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