Extracted from the stalks and leaves of the lemongrass plant, lemongrass oil is most commonly used for cooking and herbal purposes. It is also an excellent antibacterial, antifungal, and anti-inflammatory agent, and ample in antioxidants. When taken with a carrier (tea/oil etc.), lemongrass oil can be effective , vomiting sensations, anxiety, and work stress, in some cases, even headaches and migraines. Its appealing citrus fragrance gives it popularity among the cosmetic and personal-care industries as well. Following are detailed some of these benefits that you definitely need to know - 

• Good for Hair - Mixing a few drops of Lemongrass Essential Oil with your regular shampoo/conditioner/hair oil can help in eliminating dandruff within a week or two. Furthermore, it has antioxidants that increase collagen production in hair follicles, thus enhancing and improving hair growth. 
• Aromatherapy - In the rush of today’s lifestyle, living with stress and anxiety has almost become a huge part of lifestyles, which is tremendously troublesome from a medical point of view. That is why including Lemongrass Essential Oil in your day-to-day life for a healthier change is a positive step toward wellness. Its calming aroma, when used via a diffuser/humidifier soothes anxious nerves and controls thoughts of worry. 
• Headache/migraines - Although, it is always best advised to get random/severe bouts of headache/migraines medically examined, Lemongrass Essential Oil is found to be an effective remedy for headaches, even migraines. It has Eugenol, which has a working pattern similar to aspirin, which aids in alleviating headaches. The oil’s citrus, the refreshing fragrance also helps in treating any feelings of uneasiness and nausea. 
• How to Use Lemongrass Essential Oil? 
  

• Diffuser/humidifier/vaporizer - Add a few drops to any aromatherapeutic device of your preference to experience an almost spiritual rejuvenation, thanks to its calming properties and soothing aroma. Doing so will help you in reducing anxiety, stress, treating insomnia, blood sugar levels, and cholesterol levels. 
• Massage - Massaging a few drops on your temples, wrists, forehead eases the nerves, and eliminates chances of worry and tension. A study (2011) figured out how massaging lemongrass essential oil thrice a week regulated their blood pressure and improved their pulse rates.