How to Identify Pure Essential Oil: 6 Checks

Many oils sold online are diluted with carrier oil or mixed with fragrance. Here are six checks you can do before and after you buy.

1. Read the label

A pure oil lists one ingredient with its botanical name, for example Lavandula angustifolia. Words like "fragrance oil", "perfume" or "aroma oil" mean it is not a pure essential oil.

2. Check the price against the plant

Some oils need a huge amount of plant material, so very cheap sandalwood or rose oil is a warning sign. Oils from abundant plants such as eucalyptus or tea tree are naturally cheaper.

3. Look at the bottle

Pure oils are sold in dark glass bottles with a dropper or reducer cap, because light and air damage them. Clear plastic is a red flag.

4. Smell it on its own

A pure oil smells like the plant, layered and slightly changing over minutes. A flat, sweet, one-note smell can mean added fragrance.

5. The paper test, with care

Put one drop on plain paper. Most pure essential oils evaporate and leave little or no ring, while fatty carrier oils leave a greasy mark. This only spots obvious carrier oil. It cannot prove purity.

6. Ask for details

A trustworthy seller shares the botanical name, size, country of origin and how to contact them. Lab reports (GC-MS) are the strongest proof when a brand can share them.

Skip the water test

Dropping oil into water does not prove purity, since all essential oils float or sit on water. Always dilute oils before they touch skin, see our dilution and patch test guide.

Browse Shreedhara 100% pure oils, sold in dark glass dropper bottles: Lavender, Tea Tree, Rosemary and more.