Mouthwashes May Help Reduce Coronavirus Transmission

In a new study, published in the Journal of Medical Virology, scientists from the Penn State College of Medicine in Hershey, USA, found that several oral rinses and mouthwashes may cut the risk of coronavirus transmission from infected individuals.Mouthwashes May Help Reduce Coronavirus Transmission

For the study, the researchers used a human respiratory virus HCoV-229E which belongs to the same virus family as SARS-CoV-2. They also took nasal products included a diluted Johnson's Baby Shampoo nasal rinse and a CVS Health Neti Pot and mouthwashes CVS Health Peroxide Sore Mouth Cleanser, 1.5% Hydrogen Peroxide solution (Cumberland Swan Inc.), Orajel Antiseptic Rinse (Church & Dwight Co. Inc.), Betadine 5% (Alcon Laboratories Inc.), Crest Pro-Health (Procter & Gamble), Listerine Antiseptic (Johnson & Johnson Consumer Inc.), Listerine Ultra (Johnson & Johnson Consumer Inc.), Equate (Walmart), and Antiseptic Mouthwash (CVS Health).

The analysis of the received data showed that Johnson’s Baby Shampoo nasal rinse solution killed 99% of the coronaviruses within 1 minute and 99.9% within 2 minutes. Crest Pro-Health reduced the coronaviruses from 99.9% to greater than 99.99%. The most powerful product was Listerine Antiseptic, which reduced the virus by more than 99.99% after 2 minutes. Overall, the Listerine and Listerine-like mouthwashes demonstrated the best results.


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