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The Scientific Power of Listerine®

In 1879, two scientists – Dr. Joseph Lawrence and Pharmacist Jordan Lambert – joined forces to create LISTERINE®, a powerhouse antiseptic made from four essentials oils.

LISTERINE® penetrates deeply into the layers of bacteria that build up in our mouths. Our unique formula consists of four essential oils – eucalyptol, methol, thymol and methyl salicylate. This formula sweeps through the mouth, tackling hard-to-reach places and fighting through layers of plaque to leave your mouth clean and fresh.

The unique essential oil formulation in LISTERINE® helps you get a healthier mouth:

  • Eucalyptol – with antibacterial properties, this eucalyptus-derived essential oil works as an anti-fungal agent within the mouth.
  • Methol – this natural oil has germ-killing abilities to help halt the growth of bacteria.
  • Thymol – this powerful oil is derived from the ajowan herb, and helps decrease the risk of gum disease.
  • Methyl Salicylate – for minty freshness from morning till night, the flavouring agent in this essential oil is, well… essential!

How do we know this? We’ve spent more than 100 years refining and enhancing LISTERINE® – and we are backed by over 50 clinical studies to confirm just how effective LISTERINE® is against plaque. LISTERINE® has been proven to kill 99.9% of germs, while ensuring healthy gums, clean teeth and fresh breath.