1. Colds & Flu 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 fiveâ10 minutes. 2. Hair Nourishment A few drops eucalyptus oil with some coconut or olive oil gives your hair a nice moisturizing pick-me-up. This is especially great to ward off dandruff and an itchy scalp. Also eucalyptus is used as a natural remedy for lice in replacement of chemical treatments. 3. Hand Cleaner Eucalyptus EO is an excellent cleanser to remove grease and grime from your workday and can rejuvenate sore hands and feet when mixed into your salt both. Simply mix sea salt epsom salt and eucalyptus oil to remove grease and dirt for good. 4. Sinus and Allergies A study from NYU Medical School found that using eucalyptus was effective at treating sinusits. Patients experienced faster improvement when supplementing with eucalyptus oil for allergies and sinus issues. The study had participants take eucalyptus oil internally and itâs also recommended to gargle with it to clear the throat. 5. Natural Home Care Not only does eucalyptus give a nice fresh fragrance to your home products but it adds vital anti-microbial properties as well. You canât go wrong putting several drops into pretty much everything: soap laundry detergent mop water toilet cleaner window cleaner the list goes on.