Do you love a clean, fresh, and citrus aroma? dōTERRA Lemon essential oil in the perfect combination of all three. Lemon has many purposeful functions, especially when it comes to cleaning surfaces in your home. Add Lemon oil to a spray bottle of water to clean tables, countertops, and other surfaces. Lemon oil also makes a great furniture polish; simply add a few drops to olive oil to clean, protect, and shine wood finishes.