Basil essential oil has been traditionally used for the treatment of coughs, cold, runny nose, headaches, flu, diarrhea, constipation, warts, worms, kidney malfunctions, bad breath and more. The benefits of basil also include the ability to fight bacteria and odors in foods and on skin which is why basil oil can be found in foods, beverages, dental and oral health products as well as fragrances, natural odor eliminator, and cleaner, flavor enhancer, muscle relaxant, ear infection remedy, homemade toothpaste and mouthwash. Basil oil is energizer and mood enhancer, it can cure adrenal fatigue, can repel insects, cure acne and insect bite, boost the immune system, boost digestion and hair growth. The USFDA recognizes pure basil oil as safe for consumption (by 21CFR182.20), but this is ONLY the case when using 100 percent therapeutic-grade, high-quality oil brands. You can add a drop to water or take it as a dietary supplement by mixing it with a smoothie.