Look for an oil that is labeled as 100% pure eucalyptus oil. Another thing to consider is the source of the oil. Eucalyptus oil can be sourced from different species of eucalyptus trees ...

It revealed that eucalyptus oil, at a 2.5% concentration, was found to be 100% effective against brown-banded cockroaches. Though the study doesn't pinpoint why eucalyptus oil is so effective, the ...