The results can then be expressed in quantitative terms and analyzed to determine their statistical significance. Aromatherapy seeks to establish the therapeutic effects of aromas utilizing a patchwork of folklore traditions passed down from ancient times and various cultures. Aroma-Chology is concerned specifically with the temporary positive effects of aromas on human behavior and emotions to improve mood and enhance quality of life. Aroma-Chology deals only with the psychological of effects achieved through the use of ambient odors which stimulate olfactory pathways to the brain. Aromatherapy deals with the physiological effects of natural essential oils introduced by means of transdermal absorption resulting from application massage, as well as through ingestion and olfaction.
Aromatherapy restricts itself to the use of only natural essential oils.
It assigns specific healing qualities to specific odors. Aromatherapy attributes effects observed to a direct physiological action of the odorant molecules and places little emphasis on cognitive factors such as perception and understanding.