Most essential oils will keep for many years and even become more and more good with aging. It is however important to keep them always well closed.
Only a few essential oils have a deadline: they are mainly essential oils obtained by pressing, that is the essential oils of citrus fruit, which are altered after 1-2 years from pressing. For those who use it sporadically, it is advisable to store citrus oils (orange, lemon, mandarin, bergamot, grapefruit) in a very cool place.
