Essential Oils are highly concentrated oils with tremendous healing properties. They are extracted directly from the flower, bark, fruit, leaf, seed or root of a plant or tree through steam distillation, cold pressing or resin tapping.
Just as these compounds protected the plant that they originated from they can protect you from bacteria, viruses, inflammation etc.
Here are the top 11 uses for Essential Oils:
The best ways to use essential oils are diffusing in a room, topically mixed with a carrier oil, and sometimes internally, but only when directed by a qualified professional.
Warning: Please be careful about what you read on the internet regarding essential oils. There are a lot of "experts" that have not had proper training. I recommend Dr.Axe's info online.