Details on Essential oils for my website www.briskheal.org

Hi, I am looking forward en effort writing on essential oils.
Following points needs to be touched upon.
1. What is essential Oil
2. How Essential oils procured.
3. Different types of essential oils
4. Advantage of each essential oil and uses in symptoms like
5. Different type of carrier oils.
6. How to mix essential oils in carrier oils.
7. Precautions to be taken while using essential oil

Entire content needs to be touched these points. If you are interested then update me.