Many all-natural household cleaners use thyme essential oil. This oil has been shown to be especially helpful against antibiotic-resistant bacteria.

In a 2011 study Trusted Source, researchers tested the effectiveness of both lavender and thyme essential oil. Both oils were tested in a pool of over 120 strains of bacteria. The researchers found thyme essential oil to be more effective at killing bacteria than lavender essential oil.

Thyme essential oil is for external use only. You shouldn’t take thyme oil by mouth. Before applying to the affected area, be sure to dilute the essential oil with equal parts carrier oil. Common carrier oils include coconut and olive oils.

Applying undiluted essential oil to the skin may cause inflammation and irritation.

People with high blood pressure or hyperthyroid problems shouldn’t use thyme essential oil.