Essential oils are used in perfumes, aromatherapy, in creams and lotions and for many other purposes where necessary pleasant aromas. Several methods are used to extract essential oils from flowers and other plant materials.
The essential oil is only a very small percentage of the plant or flower if a large amount of plant material is needed to produce a small amount of oil. may need more than a hundred pounds to produce one ounce of oil. Some flowers are also too delicate to use methods and more time-consuming and expensive methods are easier to use. Essential oils can be expensive, but they are very concentrated. Most recipes require only a few drops if a small bottle will last long.
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Steam distillation is used for the majority of the production of essential oil. pressurized steam is passed through flowers or other plant material broadcast on screens inside a still.
The oils are absorbed by water vapor which is then passed into another room and cooled. By condensing the oil floats on top of water and is skimmed off. The remaining water is not lost because it contains small amounts of oil can be used for toners and facial mists. As it is not as concentrated as essential oils flower water can be used by people who are sensitive to essential oils.