How to Determine the Purity of Essential Oils

By Mary Smith. Updated: June 5, 2018
How to Determine the Purity of Essential Oils

Essential oils are natural products extracted from various plants and are used for therapeutic and cosmetic purposes. There are lotions that preserve the natural chemicals in plants, which are indicated for the treatment of some diseases, ailments or illnesses. However, interest in aromatherapy has increased so much that there are many companies that sell low-quality essential oils, which are not pure and can become counterproductive. So, here is some help to identify genuine products with OneHowTo tips on how to determine the purity of essential oils.

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Steps to follow:

When you buy essential oils, choose well-known brands and go to reliable establishments that are exclusively dedicated to aromatherapy, so you can count on expert advice. This is key because many companies add essential oil compounds that alter their purity. They are often mixed with vegetable oils, synthetic aromatic oils or other cheaper essential oils with a scent similar to the original.


The smell is also crucial for determining the purity of essential oils. Pure essential oils have a strong aroma and always smell like the plant they come from. By contrast, diluted and modified essential oils do not smell as much and can cause your nose to itch.

How to Determine the Purity of Essential Oils - Step 2

It's very important to check the labels of essential oils. You'll find information like the original botanical name of the plant, how they have been cultivated, the part of the plant it derives from and the ingredients it contains. A high quality, pure essential oil should be 100% natural, concentrated, organic and with a high therapeutic value.


The price of essential oils is not the same for all products, but varies depending on the extraction process. So, if you visit a place where all oils cost the same, it means they are not pure, natural essential oils.


Essential oils enclosed in plastic containers and those which are light in colour can't be trusted, as they may have been damaged by light. In fact, pure essential oils must be stored in dark glass bottles away from direct light to protect and conserve all their properties.

How to Determine the Purity of Essential Oils - Step 5

There is a test which shows whether it is a pure essential oil or a low quality product. To check, just pour a drop of oil on a piece of paper. If the oil does not leave a stain and evaporates quickly, then it is a pure essential oil. If the stain remains on the paper, this shows the essential oil is mixed with vegetable oil.

If you want to read similar articles to How to Determine the Purity of Essential Oils, we recommend you visit our Beauty & Personal Care category.

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