Essential oils are compounds extracted from plants.Essential oils are most commonly used in the practice of aromatherapy. They are either inhaled, or diluted then rubbed on the skin.Essential oils are not meant to be swallowed. Essential oils can help to boost your energy levels and even improve your athletic performance.Some oils have stimulating effects and can actually increase oxygen to your brain, which will leave you feeling refreshed, focused and energized. When used in spiritual or religious practices, essential oils can be diffused in either electrical or classic glass jar diffusers to cleanse the immediate environment in order to enhance personal mystical experiences. 100% Natural And High Quality Essential Oil. Type - 100% Undiluted (Undiluted oils are too strong to use straight. You'll need to dilute them, usually with vegetable oils or creams or bath gels, to a solution that only has a little bit 1% to 5% of the essential oil.