This page is for information only and lists only a few of the scientific studies on the use and effects of essential oils.
Sleep
A pilot study on essential oil aroma stimulation for enhancing slow-wave EEG in sleeping brain. Lo LW et al. Sci Rep 11, 1078 (2021). https://doi.org/10.1038/s41598-020-80171-x
Effect of aromatherapy on sleep quality of adults and elderly people: A systematic literature review and meta-analysis. Her J & Cho MK. Complement Ther Med 2021 Aug:60:102739. DOI: 10.1016/j.ctim.2021.102739
Anxiety & Stress
Effect of lavender essence inhalation on the level of anxiety and blood cortisol in candidates for open-heart surgery. Hoesseini S et al. Iran J Nurs Midwifery Res 2016 Jul-Aug;21(4):397–401. DOI: 10.4103/1735-9066.185582
Anxiety-Reducing Effects of Lavender Essential Oil Inhalation: A Systematic Review. Yoo O & Park SA. Healthcare (Basel) 2023 Nov 17;11(22):2978. DOI:10.3390/healthcare11222978
Brain & Cognition
Continuous inhalation of essential oil increases gray matter volume. Kokoburn K et al. Brain Res Bull 2024 Mar:208:110896 DOI:10.1016/j.brainresbull.2024.110896
Plasma 1,8-cineole correlates with cognitive performance following exposure to rosemary essential oil aroma. Moss M & Oliver L. Ther Adv Psychopharmacol 2012 Jun;2(3):103–113. DOI:10.1177/2045125312436573
Effect of aromatherapy on patients with Alzheimer's disease. Jimbo K et al. Psychogeriatrics 2009 Dec;9(4):173-9. DOI: 10.1111/j.1479-8301.2009.00299.x