"... aromatherapy oils are volatile oraganic compounds (VOCs), which are considered indoor air pollutants that can irritate the eyes, throat, and lungs."
"... spas that offer massage therapy using fragrant essential oils may have elevated levels of potentially harmful indoor air pollutants such as VOCs and ultrafine particles, according to an article in the journal Environmental Engineering Science."
http://www.boston.com/lifestyle/health/2012/12/03/aromatherapy-soothes-stress-but-don-breathe-too-many-vapors-study/KlItTjOzvxFSHjhNGGLSQI/story.html
In this era of people earnestly combating environmental pollution on this Earth, why at the same time do some of them pollute indoor air that they themselves breathe in?
