I know that a lot of the recipes and diy projects I post on this site give essential oils as a common ingredient. However, there are differences in the purity and freshness of essential oils. Oils that have gone flat lose their smell and oils that go rancid change to a horrible orange color. How can you be sure you have fresh, clean and pure essential oils?
Well, before you put some on as an insect repellent, home made perfume or as a skin remedy, you should run a simple test. But always remember that essential oils are the “boiled down” or distilled elements of herbs in oil. They are super strong and should always be handled with care. Wash hands thoroughly after use and don’t hold bottles too close to the nose or you will have sinus problem in the morning!
Some oils have petroleum-based solvents added, which can be very toxic. Petroleum-based solvents are often long-lasting in the environment, are stored in our fat, and are a source of volatile organic chemicals (VOCs) that negatively affect indoor air quality. You want to make sure you have pure herbs in natural organic oils.
Do an easy blotting paper test to see if your oils are pure. Put a few sample drops of your oils on a blotting paper. Pure essential oils will not leave any residue once they have evaporated, whereas petroleum solvents will. If there is a stain, an oily spot of discoloration, discard the oil and avoid buying that brand again!