In this episode, Christine talks to world-renown essential oil expert, Dr. Robert Pappas. Dr Pappas, an analytical chemist with a PhD in Physical Chemisty, is on a mission to educate the general public about the chemistry of essential oils.  He talks about his website ESSENTIAL OIL UNIVERSITY, a 100% free database of essential oil data for hundreds of oils, and other free resources for consumers and professionals alike.