While adding Essential Oils to your routine is a wonderful way to enjoy the benefits of aromatherapy, having knowledge about the oils your using is always recommended.  Some of these products can be as dangerous as they are beneficial when not used properly.  Before using any homeopatic remedy or essential oil at home, please be sure to find out what you can about any potential dangers and contraindications of the product that you have chosen.   You can always find tons of useful information online, but if you are still unsure about the safety of any substance, you can always check with your local day spa or pharmacist regarding the properties any essential oil.  It is strongly recommended that if you are using medications, medicinal lotions or creams that may possibly react with the essential oil that you have chosen, be sure to ask your family physician before you begin.  Below is a list, provided courtesy of Aromaweb.com, of some potentially harzardous essentials. 

Hazardous Essential Oils

“The below chart displays essential oils that should not be used in aromatherapy without the express administration by a qualified aromatherapy practitioner. Many should not even be used by a qualified practitioner. Do not assume that an oil is safe to use if it is not on this list.

Important Note: The information provided in the Oil Profiles area is for educational purposes only. This data is not considered complete and is not guaranteed to be accurate.

General Safety Information: Do not take any oils internally without consultation from a qualified aromatherapy practitioner. Do not apply undiluted essential oils, absolutes, CO2s or other concentrated essences onto the skin. If you are pregnant, epileptic, have liver damage, have cancer, or have any other medical problem, use oils only under the proper guidance of a qualified aromatherapy practitioner. Use extreme caution when using oils with children and give children only the gentlest oils at extremely low doses. It is safest to consult a qualified aromatherapy practitioner before using oils with children. A skin patch test should be conducted prior to using an oil that you’ve never used before. Instructions on conducting a skin patch test and more safety information can be found by visiting the Safety Information page. For very in-depth information on oil safety issues, read Essential Oil Safety by Robert Tisserand. ”