An August 2016 study by Université du Littoral Côte d'Opale and Lebanese University found, “the first evidence that natural essential oil components counteract the inflammatory effects of particulate matter, such as that contained in polluted air." 

Phenylpropanoids

  • trans-anethole from anise and fennel

  • estragole from basil

  • eugenol from clove bud oil

  • isoeugenol from ylang ylang