Do essential oils have an expiration date and how long is the shelf life of essential oils? Can I st

Yes, essential oils have an expiration date. In general, essential oils can be stored for about 3 years in a sealed state. If it is an essential oil that has already been opened, use it within 3 months, otherwise the efficacy may decrease.

The specific shelf life of essential oils is subject to the product manual. Essential oilEssential oil is a general term for volatile aroma-containing substances processed and extracted from spice plants or aroma-secreting animals. Essential oils are divided into diluted (compound essential oils) and undiluted (single essential oils).

Essential oil is a volatile aromatic substance extracted from the flowers, leaves, roots, seeds, fruits, bark, resin, wood core and other parts of plants by steam distillation, cold pressing, liposuction or solvent extraction. The history of essential oils can be traced back to ancient China, Egypt, Arabia and Greece. During the period of "Three Emperors and Five Emperors", there was a saying that Shennong tasted all the herbs.

Essential oils have an expiration date. Because although essential oils are highly concentrated plant extracts, no other skincare products are prone to spoilage and spoilage. However, the plant itself will also have a birth, old age, sickness and death, from the peak of the effect to withering and withering, so when choosing essential oils, we must choose the best period for essential oils to use.

Because once the essential oil has passed the optimal period, other effects will slowly weaken or even disappear, and in the end, only the aroma remains. Therefore, the best time to use essential oils is the shelf life of essential oils.

The shelf life of different essential oils is also different, and generally woody, resin and flower essential oils can be stored for three years or more without opening and closing the light. Spice and herb essential oils can be stored for about two years when left unopened and unopened. Citrus essential oils have the shortest shelf life, which can be stored for about a year without turning on the closed light.

It is not recommended to continue using essential oils after they have expired. Because essential oils are volatile aromatic substances extracted from the flowers, leaves, stems, roots or fruits of plants by steam distillation, extrusion, cold soaking or solvent extraction. Once expired, it will affect its efficacy, so it is not recommended to use it.

I cannot use it for 1 year.

Essential oils must have a shelf life, the bottle is marked on the surface, if not, it is necessary to see whether the purity is high or not, if it is 100% pure unilateral essential oil, the shelf life is very long, if it is not opened, it can be stored for three to four years, the shelf life of pure unilateral essential oils is about the same, if it has been opened, then it should be used as soon as possible within a year, otherwise it is easy to deteriorate.

Precautions for the use of essential oils.

Must be diluted: Essential oils are highly concentrated, so they must be diluted for most uses.

It is necessary to pay attention to the fact that the essential oil does not come into contact with the eyes: it should be noted that the concentration of essential oils is very high, so it should not be used in the eyes, if it is used around the eyes, the dosage should also be adjusted to about 10 ml of base oil with 1 drop of essential oil, and do not get too close to the eyes.

**Use with caution on wounds: essential oils should be avoided on wounds, so when there are wounds, do not apply essential oils directly, but if it is a small knife wound or small wound, you can use essential oils to make the skin heal quickly.

Unopened essential oils can be stored for 2 to 3 years, and after opening, they are generally used up within 1 year, and the essential oils that have been blended into compounds are used up within 2 months. . . In addition, if you can't use it, you can use it for your family, and the effect of essential oils is not only for beauty, but also for psychological and physical effects.

Since pure essential oils are completely extracted from plants and have not undergone any addition, filtration or synthetic processes, their chemical components are very susceptible to air, light, temperature, humidity, etc. Therefore, pure essential oils are usually kept in dark glass bottles, preferably below 18 degrees Celsius, as high temperatures can cause changes in the chemical composition of essential oils. Therefore, it is best to store the essential oils in a wooden box.

For example, sandalwood or pine boxes.

Essential oils must be stored in dark glass bottles with a shading effect, which can reduce 90% of ultraviolet radiation, do not store essential oils in plastic bottles, the chemical composition of plastics will destroy the quality of essential oils.

Lavender essential oil oxidizes very quickly and is volatile, so the cap of the essential oil must be tightened, and it is best to reduce the number of openings.

Essential oils have an expiration date. Generally speaking, essential oils can be stored for about 3 years in a sealed state. If the essential oil has been opened, it should be used within 3 months, otherwise the efficacy may decrease. The specific shelf life of essential oils is subject to the instructions for use of the product.

Essential oil refers to the general term for volatile fragrance-containing substances obtained by processing and extracting from spice plants or fragrance-secreting animals. Essential oils are diluted (blend) and undiluted (alone).

Essential oil is a volatile aromatic substance extracted from the flowers, leaves, roots, seeds, fruits, bark, resin, wood hearts and other parts of plants by steam distillation, cold pressing, liposuction or solvent extraction.

The history of essential oils can be traced back to ancient China, Egypt, Arabia and Greece, among others. Essential oils in the "Three Emperors and Five Emperors" period, there is a saying that Shennong's tasted all the herbs.