Eucalyptus

Eucalyptus oil has antibacterial properties. It can be used to cure cough, and help get the mucus out of the chest. This oil is also used in mouth-washes and toothpastes to keep the mouth clean. Spraying a solution of eucalyptus is found effective as a mosquito repellent. Eucalyptus oil can be used as an effective household disinfectant free of damaging chemicals due to  its antimicrobial, antiviral, and antifungal properties.