Can essential oils continue to be used after 5 years of storage?

　　It is not recommended to use essential oils after 5 years of storage. It is generally recommended to use essential oils as soon as possible after opening. The shelf life of unopened essential oils varies according to the type of essential oils and storage methods, but usually it will not reach 5 years.

　　Essential oil is the essence extracted from plants, which is not easy to be oxidized and deteriorated in a sealed environment. The unopened shelf life of citrus essential oils such as lemon, sweet orange, and orange is 1-2 years. Spices and herbal oils can be stored for 2-3 years unopened.

　　Once the essential oil is opened, it is easy to be oxidized, and it is easy to deteriorate and lose its original effect. Therefore, the essential oil should be used up as soon as possible after opening, especially for sensitive skin such as the face that has been opened for a long time. . You can observe before using essential oils. The color of expired essential oils will become cloudy, indicating that the components in them are deteriorated or spoiled.

　　Essential oils should be kept away from light and heat, and stored in a cool, dry place. To avoid wasting expired essential oils, they can be used to wipe leather shoes and leather clothing, etc. A little drop when mopping the floor also has a certain deodorizing effect.

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