Essentials oils can be defined as highly concentrated extracts of aromatic plants. These oils can be found in various parts of the plant such as twigs, bark, leaves, and flowers. Sometimes they can be extracted from the rind of a fruit. For instance, in roses it is found in the flowers, in sandalwood in the wood, and in basil in the leaves.
Essential oils offer several uses in aromatherapy. Every organic essential oil can be used in combination or alone to create the 
desired effect. Before you use essential oils, it is important to know what the oil has and the way aromatherapy works.
Aromatherapy can be defined as a method of using oils to promote curing and healing of both the mind and body. The processes of extracting the oils consume a lot of time and require advanced expertise. This explains why these oils are relatively expensive to synthetic products. One of commonly used methods of extraction is steam distillation. To extract the oil steam is used. It causes globules of plant oil to burst. This makes the oil evaporate. Essential oil vapors and steam pass out to the top where they are condensed back into liquids. Essential oils will separate from water and float at the top. Professionals can only do this process.
Essential oils are known to have an immediate impact on people’s sense of smell. When they are inhaled, cells are stimulated, and impulse is transmitted to the brain. The system is also connected to brain linked to blood circulation, breathing, and memory. Moreover, the system is connected to endocrine glands that regulate hormonal levels in your body. Oil has many properties such as fragrance.
Essential oils are used in massage oils. Therefore, they are not only inhaled, rather they can be absorbed by your skin as well. These oils 
penetrate the tissues and get their way into the bloodstream. They are then transported to various organs and body systems of the body. Since they have different absorption rates, they take average 20 minutes to 2 hours. You are discouraged from bathing taking showers and bathing after a massage. This is to ensure you get maximum effectiveness and absorption.
These oils have an impact on the nervous system like calming, energizing, headache reliever, insomnia, balancing, and many more. You should look for oils, which promote stress reduction.…