It also has insect repellent properties -LRB- PERSON@1 NUMBER@1 a , b ; NUMBER@2 -RRB- , and is an active ingredient in some commercial mosquito repellents -LRB- Fradin & Day NUMBER@3 -RRB- .

Eucalyptus oil is an insect repellent -LRB- Fradin & Day NUMBER@3 -RRB- .
