Eucalyptus oil has been used for over 100 years to treat respiratory disorders. It has antiviral, antifungal, and antiseptic properties. It can help with:
Coughing: A few drops of eucalyptus oil can be added to one ounce of carrier oil and rubbed onto the chest and throat. Eucalyptus oil can also be diluted in boiling water and the steam can be inhaled.
Stuffy nose: Inhaling steam with eucalyptus oil can help relieve congestion.
Hair and scalp health: A few drops of eucalyptus oil can be added to shampoo and conditioner.
Eucalyptus oil should be used with caution, as little as 3.5 ml taken internally has been fatal.