How to Repel Mosquitoes with Listerine

Elements within Listerine can apparently deter mosquitoes.
Elements within Listerine can apparently deter mosquitoes. (Image: Tim Boyle/Getty Images News/Getty Images)

The idea that Listerine could stop mosquitoes seemed like another urban rumor when it first popped up in the 2000s. However, the active ingredient in Listerine is Eucalyptol. It is a derivative of Eucalyptus oil, which mosquitoes hate. While no scientific study has confirmed this as of 2011, the mosquitoes do seem to detect the oil in the Listerine scent. They will avoid the scent for a while. Spraying with Listerine isn't a permanent solution to a mosquito problem, but it may deter them long enough for a person to enjoy being outside.

Things You'll Need

  • Listerine
  • Spray Bottle

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Pour as much Listerine as you're willing to lose into half of a clean spray bottle. Fill the rest of it with water.

Generously spray your arms and the area you want to be mosquito free. Spray surfaces like tables and chairs.

Spray an outdoor area every hour. The Listerine will quickly evaporate and the mosquitoes will return.

Tips & Warnings

  • Remove any standing water from your outdoor area as this attracts mosquitoes.
  • Use citronella and other mosquito deterrents along with the Listerine to ensure a mosquito-free experience.
  • Using Listerine alone may not be enough to deter mosquitoes. Consider using a mosquito spray on your skin and lighting some citronella candles.


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