Eucalyptus Oil
Eucalyptus works as an expectorant and helps cleanse your body of toxins and harmful microorganisms that can make you feel sick. One of the most effective ways to utilize eucalyptus for colds is to drop several drops of the essential oil into your diffuser before going to sleep so you can take advantage of the healing benefits all night long.
For more acute situations, you can make a steam bath by pouring a cup of boiling water into a bowl, and then mix 10 drops of eucalyptus EO, place a towel over your head and inhale deeply for five–10 minutes.