The Psychological Effects of Aromatherapy
Gloria Halim16 Aug 2026
How do essential oils affect mood and mental health? Aromatherapy is not just a trendy term or a wellness fad. It is a complex and effective method for supporting emotional and mental balance with plant extracts provided by nature.
How do essential oils
affect mood and mental health?
Aromatherapy is not just a trendy term or a wellness fad. It is a complex and effective method for supporting emotional and mental balance with plant extracts provided by nature. But how exactly does it achieve all this? Let's see!
The Brain and Scents
Science has long been concerned with the connection between scents and the human brain. Scent molecules travel through the nose to the brain's limbic system, which is the centre for emotional states and hormone regulation. This explains why an old, familiar scent can instantly evoke nostalgic or happy feelings. This scent-brain connection also enables the psychological effects of aromatherapy.
Reducing Stress and Anxiety
Lavender, chamomile, and bergamot - these oils have been present in folk medicine for centuries to relieve stress and anxiety. Scientific studies also confirm that inhaling lavender oil, for example, reduces the level of cortisol, the stress hormone, in the blood. If you have a long, stressful day ahead, try doTERRA Serenity essential oil, which contains lavender and other calming oils.
Boosting Energy Levels
Peppermint essential oil is renowned for its energising properties, which can help boost your energy levels and improve your concentration in many ways. Its fresh, menthol scent instantly refreshes the senses and naturally stimulates both body and mind. Research has shown that the scent of peppermint can improve mental alertness, increase attention, and reduce feelings of fatigue.
The Mood-Boosting Effects of Aromatherapy
Essential oils can not only reduce negative feelings but also promote the development of positive ones. Citrus oils, such as doTERRA Citrus Bliss, stimulate the production of endorphins and serotonin in the brain, which help with emotional balance and feelings of happiness.
Concentration and Memory
Some essential oils, such as rosemary, eucalyptus, and spearmint, have a stimulating effect on the brain. Rosemary oil, for example, has been scientifically proven to improve memory and concentration. Diffusing these types of essential oils while working or studying not only refreshes but also helps in processing information more effectively.
Treating Sleep Disorders with Aromatherapy
Good sleep is essential for overall health and mental balance. Essential oils such as lavender, ylang-ylang, and sandalwood promote the regulation of sleep cycles and the achievement of deep sleep. doTERRA Serenity or doTERRA Lavender Peace products, for example, have been specifically developed to improve sleep quality.
Popular doTERRA Products for Psychological Effects
Summary
Aromatherapy is much more than simple "scent therapy." A well-chosen essential oil can have complex psychological effects, including reducing stress, improving mood, increasing concentration, and enhancing sleep quality. As more scientific evidence supports its effectiveness, aromatherapy is becoming an increasingly important tool in integrative mental healthcare.
Please note: Always consult a healthcare professional before using essential oils, especially if you are pregnant or have a chronic illness.

Written by
Gloria Halim
Gloria Halim is an award-winning, board-certified holistic health practitioner, women’s health advocate, corporate wellbeing strategist, author and TEDx speaker, specialising in hormone health, perimenopause and women’s wellbeing. She helps high-achieving women navigate hormonal changes, reduce stress, improve energy and feel more in control of their health through practical, natural and holistic approaches. Gloria also works with organisations to create holistic wellbeing strategies that support healthier, more engaged and resilient workplaces. A breast cancer thriver, Gloria’s own health journey inspired her to look beyond symptoms and explore the powerful connection between nutrition, lifestyle, stress and overall wellbeing. She is the author of Healing Foods Healthy Foods and host of the Beyond Hormone Symptoms podcast. Gloria trained at the Institute for Integrative Nutrition in New York and is certified by the American Association of Drugless Practitioners (AADP). She also holds specialist certifications in hormone health, menopause coaching, essential emotions and aromatherapy.