What is the shelf life of kukui nut oil, jojoba oil, and evening primrose oil?
Kukui nut oil has a shelf life of 12-14 months, and evening primrose's shelf life is only about 6 months. Jojoba oil is good for several years because it is really a liquid wax and not an oil. Storing in the fridge will increase shelf life.
Kukui nut oil is one of the lightest oils around and absorbs instantly. Evening primrose oil (EPR) is a bit heavier in weight (but still absorbs quickly) and needs to be mixed with another carrier oil. EPR has a higher concentration of linolenic acid than kukui nut oil. Jojoba is a light-medium weight oil that absorbs quickly and is similar to the skin's natural sebum.
Kukui nut oil and EPR have some of the same properites but are very different oils. For oil properties you can go on Mountain Rose Herbs' website, and next to each oil click on the 'learn more' links. Nature's Gift and Aromaweb also have oil profiles.
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