Here are resources that help me in my use and enjoyment of essential oils.

Good reference materials are a must.  You can find reference materials at Life Science Publishing, Abundant Health, and Growing Healthy Homes.  You can always double check pricing on Amazon.

Essential Oil Carrying Case

Essential Oils: One Drop at a Time

French Aromatherapy

Healing Oils of the Bible

Essential Oils of the Bible

About Progessence Plus: Click Here for Article by Dr. Dan Purser