Before you start looking for the best essential oils, you will need to know what these oils are first. If you are not familiar with essential oils, these are compounds that were extracted from plants. The oils are able to capture the plant’s flavor as well as scent, which basically means the plant’s essence, through distillation (water or steam), or through cold pressing or other mechanical methods. Once the aromatic essence has been extracted, it is then be mixed with carrier oils, like olive oil, for essential oils ready to be used and applied on the skin. If you want to get your hands on quality essential oils, make sure that they were processed properly through distillation or cold press. Essential oils have been used for centuries by the Egyptians, Romans, and even the Chinese as part of their medicine. Even today, aromatherapy is still being touted for its numerous health benefits to its users.