Oil of Oregano is popular as a flu fighter. It is a strong tasting oil that has natural antibacterial properties and hence fights cold and other bacterial infections with ease. It is used topically and is often taken a few drops on the tongue. Trust me, that is not a pleasant taste that you would like to have, but people swear that it is the only thing that cures flu faster than anything else.
Lemon oil is a powerful detoxer and also helps you with acne. When mixed 50:50 with a carrier oil, it lifts your spirits and refreshes your mood. It is because of this reason that lemon essential oil is considered good for focus and concentration. Plus you have a bonus – when used, it keeps the fleas away from your pets.