---
title: Essential oils for PMS mood swings: what the evidence shows
description: Essential oils for PMS mood swings: small trials on rose, grapefruit and bitter orange ease some symptoms, but evidence stays limited and inconsistent.
url: https://niyora.com/treatments/essential-oils-for-pms-mood-swings/
---

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- Essential oils for PMS mood swings

Treatments

# Essential oils for PMS mood swings

A handful of small trials found that inhaling rose, grapefruit, bitter orange or lavender oil in the week before a period eased premenstrual mood symptoms like anxiety and low mood. The evidence is real but thin, and no trial has tested PMDD specifically.

Updated 13 October 2026

Niyora editorial

Limited evidence

Strength of evidence Limited Only small or early studies so far. - None - Limited - Mixed - Moderate - Strong

## At a glance

- Small randomized trials found inhaled rose, grapefruit, bitter orange and lavender oil eased premenstrual mood symptoms more than a plain oil, especially after two cycles of use.
- Trials used oils during the luteal phase, the one to two weeks before a period, inhaled for 5 to 30 minutes, once to three times a day.
- No trial has tested essential oils specifically in women diagnosed with PMDD; the research so far is about PMS.
- Reported side effects are mild: skin irritation, headache from strong scent, and increased sun sensitivity when citrus oils touch skin.
- If mood swings take over a week of every month, essential oils alone aren't enough; SSRIs, certain hormonal contraceptives or CBT are options a doctor can offer.

## Strength of evidence

Limited evidence

- None
- Limited
- Mixed
- Moderate
- Strong

Small randomized trials of 62 to 128 women found inhaled rose, grapefruit, bitter orange or lavender oil eased premenstrual symptoms more than a plain oil, but most measured overall PMS severity rather than mood alone, none focused on PMDD, and results were inconsistent across different oils and studies.

## Do essential oils help premenstrual mood swings?

Maybe, a little. A handful of small randomized trials found that women who inhaled certain essential oils during the one to two weeks before their period reported less anxiety, irritability and low mood than women who inhaled a plain carrier oil instead. The effect shows up on self-reported symptom scores, not blood tests or brain scans, so it's a real but modest signal rather than proof of a mechanism.

Scientists think the effect comes from the scent acting on mood through smell pathways, plus the short daily pause itself, rather than the oil changing hormones. Premenstrual mood swings come from a drop in estrogen and progesterone in the days before bleeding, and some brains react to that normal drop more strongly than others. For more on why that happens, see [mood swings before your period](https://niyora.com/symptoms/mood-swings-before-period/).

If your mood swings are severe enough to disrupt a week of every month, essential oils alone likely won't be enough on their own. For milder mood swings, they're a reasonable, low-risk thing to try.

Where this sits in your cycle

Luteal phase Days 15 to 28

Day 1

Ovulation

Day 28

## What does the research say about specific oils?

The research is a set of small, mostly Iranian randomized trials, each comparing one scent against a plain oil control.

- Rose (Rosa damascena): 66 university students inhaled a 4% dilution for 5 minutes twice daily, 5 days each luteal phase. By two months, psychological, physical and social PMS scores improved versus baseline; the control group didn't change [1].

- Grapefruit: 90 women inhaled grapefruit, bergamot or placebo oil for 30 minutes, three times a day, for 4 days each luteal phase, over three cycles. Grapefruit cut total PMS scores, including mood and anxiety, more than placebo; bergamot helped premenstrual but not menstrual symptoms [2].

- Bitter orange: 62 students inhaled a 0.5% dilution through the luteal phase. By two months, overall PMS symptoms had improved more than with an unscented control [4].

- Lavender: in 128 married women, 30% dilutions of rose, lavender and bitter orange oil all eased PMS more than a control, with lavender showing the strongest mood effect, though the oils didn't differ significantly from each other [3].

- Swallowed blends: a capsule combining anise, evening primrose and clary sage oil, taken twice daily for two cycles, improved symptoms more than a sunflower-oil control [5]. A separate review found evening primrose oil alone hasn't shown benefit for PMS on its own [6].

None of these trials enrolled women with a confirmed PMDD diagnosis, and most scored overall PMS severity rather than mood alone.

## How much should you use, and when in your cycle?

Trial protocols vary, but a pattern repeats: inhale the oil rather than swallow it (except one capsule study), starting in the luteal phase, the one to two weeks before your period.

Typical amounts used in trials:

- Rose oil: a 4% dilution, inhaled for 5 minutes twice a day, for 5 days each luteal phase [1].

- Grapefruit or bergamot oil: pure oil inhaled for 30 minutes, three times a day, for 4 days each luteal phase, repeated over 3 cycles [2].

- Bitter orange: a 0.5% dilution, inhaled daily during the luteal phase [4].

- Rose, lavender or bitter orange: a 30% dilution, inhaled for 5 minutes twice a day, from one week before the period through four days after it starts [3].

These aren't official dosing guidelines, just what researchers used in their studies. If you try an essential oil, start with a lower concentration than the trial used and watch for skin or airway irritation, especially if you have asthma. A diffuser, or a drop on a tissue held near your face, works for inhalation. These oils aren't meant to be applied undiluted to skin or taken by mouth outside a studied capsule product.

## How long does it take to work?

Most trials checked symptom scores more than once: at baseline, after one cycle of use, and again after two. In the rose oil study, psychological and physical scores improved more at the two-month mark than at the one-month mark, and the same pattern shows up in the bitter orange and three-oil comparison trials [1, 3, 4]. That suggests any benefit builds with repeated use across cycles rather than working the very first time you try it.

Oils were also used for a short window each cycle, typically four to five days in the luteal phase, not continuously through the month. So the question isn't just how long until it works, but how many cycles of consistent use you give it before deciding.

Essential oils aren't a same-night fix for a mood swing that's already flaring tonight. A strong scent can help you feel calmer in the moment, the way any grounding sensory input can, but that's a different effect from the slower, cycle-over-cycle benefit the trials measured.

In the moment

For the days before any oil, or anything else, has had time to work: step away from the fight, breathe out for a count of six, and write down what happened before you respond. Niyora is a PMS and PMDD support app, and its Moon feature lets you write what happened, see it from another angle and draft a reply you can hold for 20 minutes before you send it.

## What are the side effects?

These trials didn't report detailed safety data. In general, essential oils can irritate skin on contact and a strong scent can trigger a headache in some people; citrus oils also raise sun sensitivity on skin.

Essential oils aren't regulated as drugs, so concentration and purity vary by brand. Citrus oils, including grapefruit and bitter orange, can make skin more sensitive to sunlight when applied undiluted, so keep them off skin that will see sun. None of these trials included women who are pregnant or breastfeeding, or people with asthma, so there's less safety data for those groups before starting regular inhalation.

If a scent makes your breathing tighter or your skin react, stop and wash the area. These are low-risk options for most people, though side effects can still happen.

## What else helps mood swings before your period?

Essential oils sit at the gentle end of a longer list. [PMS treatment: what actually helps](https://niyora.com/treatments/pms-treatment/) covers the fuller range, from exercise and sleep to hormonal options a doctor can prescribe. If your mood symptoms are severe enough that you suspect PMDD rather than PMS, guidelines point to SSRIs, which can work taken only in the luteal phase, certain hormonal contraceptives, or CBT, and a doctor decides which fits you.

Tracking helps you find out what you're dealing with before you choose a treatment. The [DRSP chart](https://niyora.com/tools/drsp-chart/) is a daily symptom log clinicians use to tell PMS, PMDD and premenstrual exacerbation of another condition apart over two cycles. If your mood swings take a week of every month or come with thoughts of hurting yourself, see a GP or gynecologist and bring two months of daily notes; [finding a PMDD specialist](https://niyora.com/care/pmdd-specialist/) can help you find someone who knows the diagnosis well.

For oils aimed at a PMDD-level mood swing rather than milder PMS moodiness, see [essential oils for PMDD](https://niyora.com/treatments/essential-oils-for-pmdd/). Start tonight by logging today's mood on a calendar or the DRSP chart, so you know by next cycle whether what you're feeling fits a pattern.

From the research library

## Research on mood swings

116 studies in the library look at mood swings in PMS and PMDD. They were published from 1971 to 2026, and each one is summarised in plain English.

116

studies, 1971 to 2026

How strong the studies are

Strong study design 6
Moderate study design 41
Early or limited evidence 69
- [Study, 2026How do women with PMDD process emotions differently in their brains?Women with PMDD show increased activity in emotion-processing brain networks, especially during the luteal phase, and this baseline difference even appears in the follicular phase and relates to symptom severity.Strong study design](https://niyora.com/research/papers/emotion-generation-and-regulation-in-premenstrual-dysphoric-disorder-2026/)
- [Case-control study, 2026Do women with PMS handle emotions differently at different times of the cycle?Yes. Women with PMS tend to use emotion coping strategies that make symptoms worse (like dwelling on negative thoughts) and fewer strategies that help (like accepting difficult thoughts). These patterns change across the menstrual cycle.Strong study design](https://niyora.com/research/papers/trait-and-phasic-emotion-regulation-strategies-in-women-with-premenstrual-2026/)
- [Systematic review, 2025Do people with PMDD and severe PMS have difficulties with emotion regulation?People with PMDD and severe PMS may have difficulties identifying emotions and choosing how to handle them, particularly using rumination (replaying upset thoughts) in the late-luteal phase. Evidence remains limited.Strong study design](https://niyora.com/research/papers/emotion-regulation-in-premenstrual-dysphoric-disorder-and-premenstrual-syndrome-2025/)
- [Systematic review, 2025Does teaching adolescent girls about their menstrual cycle and health help reduce period pain and PMS?Yes. A systematic review of five good-quality studies shows that psychoeducation (structured teaching) significantly reduced period pain and PMS symptoms and improved emotional wellbeing in adolescent girls.Strong study design](https://niyora.com/research/papers/the-effectiveness-of-psychoeducation-on-menstrual-disorders-in-adolescent-girls-2025/)
- [Randomised trial, 2007Does paroxetine work better if taken daily or just during your luteal phase for PMDD?Daily paroxetine had an 85% response rate and was most effective overall, while luteal-phase-only paroxetine worked equally well for irritability and mood swings but was weaker for depression and physical symptoms. This well-designed study provides reliable results.Strong study design](https://niyora.com/research/papers/placebo-controlled-trial-comparing-intermittent-and-continuous-paroxetine-in-2007/)
- [Survey study, 1994How many different ways do researchers measure PMS in clinical trials?Researchers use many different measurement tools across studies. 65 different questionnaires were found in 350 trials of PMS drugs, making it hard to compare whether treatments actually work.Strong study design](https://niyora.com/research/papers/clinical-trials-of-treatments-of-premenstrual-syndrome-entry-criteria-and-scales-1994/)

[See all 116 studies on mood swings and emotion regulation](https://niyora.com/research/topics/symptom-emotional-regulation/)

## Questions people ask

Does essential oil for PMS mood swings actually work?

+

Essential oils for PMS mood swings show a modest benefit in small randomized trials, especially rose, grapefruit, bitter orange and lavender inhaled during the luteal phase. The trials are small and short, so the evidence is encouraging but not strong enough to call essential oils a proven treatment.

Which essential oil is best for PMS mood swings?

+

No single essential oil for PMS mood swings has been proven best. Lavender showed the strongest mood effect in one comparison trial, while rose, grapefruit and bitter orange each outperformed a plain oil in separate small studies. Choosing a scent you find calming is reasonable.

How long before essential oils help PMS mood swings?

+

Essential oils for PMS mood swings seem to work gradually. Trials measured bigger improvements after two months of use than after one. They aren't a fix for a mood swing that's already happening tonight, so pair them with something you can do in the moment.

Are essential oils safe to use every month for PMS?

+

The small trials of essential oils for PMS mood swings didn't report detailed side-effect data, but no serious problems were described. In general, undiluted oils can irritate skin and citrus oils raise sun sensitivity, and none of the trials included women who are pregnant or breastfeeding, or people with asthma.

Can essential oils help PMDD, not just PMS, mood swings?

+

No trial of essential oils has specifically studied PMDD, only PMS. PMDD is a different reaction to normal hormone changes than PMS, so oils that ease general premenstrual mood symptoms may not be enough for PMDD-level mood swings, which usually need SSRIs, hormonal treatment or CBT that a doctor prescribes.

## Sources

- 1. [Evaluation of aromatherapy with essential oils of Rosa damascena for the management of premenstrual syndrome](https://doi.org/10.1002/ijgo.12534), International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics, 2018
- 2. [The effect of aromatherapy intervention with Bergamot and Grapefruit essential oils on premenstrual syndrome and menstrual symptoms: a randomized controlled trial](https://doi.org/10.1186/s12906-025-04857-3), BMC complementary medicine and therapies, 2025
- 3. [A Comparative Study on the Effects of Aromatherapy with Rosa damascena, Lavender (Lavandula stoechas), and Citrus aurantium Essential Oils on the Severity of Premenstrual Syndrome Symptoms in Married Women at Reproductive Age](https://doi.org/10.22038/ijogi.2025.81889.6170), DOAJ (DOAJ: Directory of Open Access Journals), 2025
- 4. [Investigation of the effect of aromatherapy with Citrus aurantium blossom essential oil on premenstrual syndrome in university students: A clinical trial study](https://doi.org/10.1016/j.ctcp.2018.04.006), Complementary therapies in clinical practice, 2018
- 5. [Effects of the Herbal Soft Gel Capsule Containing Pimpinella Anisum, Oenothera Biennis , and Salvia Sclarea Oils on Premenstrual Syndrome: A Triple-blinded Randomized Controlled Trial Study](https://doi.org/10.2174/0122150838313003240821091757), Current Traditional Medicine, 2024
- 6. [The effect of Oenothera biennis (Evening primrose) oil on inflammatory diseases: a systematic review of clinical trials](https://doi.org/10.1186/s12906-024-04378-5), BMC complementary medicine and therapies, 2024

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On this page

- [Do essential oils help premenstrual mood swings?](#do-essential-oils-help-premenstrual-mood-swings)
- [What does the research say about specific oils?](#what-does-the-research-say-about-specific-oils)
- [How much should you use, and when in your cycle?](#how-much-should-you-use-and-when-in-your-cycle)
- [How long does it take to work?](#how-long-does-it-take-to-work)
- [What are the side effects?](#what-are-the-side-effects)
- [What else helps mood swings before your period?](#what-else-helps-mood-swings-before-your-period)
- [Research](#research)
- [Questions](#faq)

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## Keep reading

Treatment

Essential oils for PMS: does it work?

Symptom

Mood swings before your period: why it happens and what helps

Treatment

PMS treatment: what actually helps

Condition

What is PMS? Premenstrual syndrome, explained

Care guide

Finding a PMDD specialist

Guide

All 26 findings, graded
