Its scent is unmistakable and its use goes back thousands of years: true lavender (Lavandula angustifolia) is far more than a decorative element in the garden. A number of new studies published in 2025 and 2026 have examined the plant's compounds and looked at it in areas such as the nervous system, sleep and skin care. This article gives a factual overview of the current research — from the bioactive compounds to questions of quality and use.
Which compounds give true lavender its profile
The properties of true lavender rest on a complex interplay of several compounds. The largest share comes from the essential oil, which makes up roughly 1–3 % of the dried flowers. This mixture of dozens of individual substances already shows that the plant cannot be reduced to a single active ingredient.
| Compound | What is known about it |
|---|---|
| Linalool & linalyl acetate | The dominant compounds by quantity; they shape the characteristic scent and are associated in research with the calming properties. |
| Terpinen-4-ol, 1,8-cineole, d-limonene | Further constituents identified in preclinical work as sleep-related components. |
| Tannins and bitter compounds | Contribute to the astringent character and are traditionally associated with digestion. |
Linalool and linalyl acetate are at the centre of research interest. Laboratory studies suggest that they act on the GABA_A receptors in the central nervous system — the docking sites through which the body's own messenger GABA has a dampening effect on nerve cells. This mechanism is discussed in the literature as a possible explanation for the calming properties, but it has not been conclusively established.
What current studies have observed regarding effects on the nervous system and mind
A randomised, placebo-controlled pilot study published in 2025 in the journal Complementary Therapies in Medicine examined inhaled lavender oil in 58 adults with high blood pressure (aged 40–60). The oil was delivered via a magnetic clip on a face mask. Compared with the placebo group (low-odour almond oil), the researchers observed a more pronounced decrease in anxiety scores measured with the STAI questionnaire as early as after a single 15-minute session. After seven days of daily use, the lavender group also showed improvements in fatigue, blood pressure and sleep quality. The authors explicitly frame lavender oil as a complementary approach, not as a replacement for medical treatment — around two thirds of the participants continued to take blood-pressure-lowering medication.
For orally taken, standardised lavender oil extracts, a 2025 narrative review summarises the available data on anxiety and depressive symptoms. Reviews of this kind pool existing studies without generating new data themselves; their conclusions should be weighed accordingly. The authors describe favourable observations — including a low potential for dependence compared with classic sedatives — but stress that, according to current knowledge, lavender should not be regarded as a stand-alone solution.
How research tries to explain the sleep-promoting effect
A paper by Ren and colleagues, published in 2025 in the Journal of Ethnopharmacology, took a closer look at the possible neuronal background — though in an animal model and therefore at a preclinical stage. Using chronic EEG/EMG recordings in mice, the group identified a specific population of inhibitory (GABAergic) nerve cells in the central nucleus of the amygdala. In this model, inhaling lavender oil shortened the time to fall asleep and increased the proportion of deep sleep (non-REM sleep). Notably, the effect depended on an intact sense of smell: when the olfactory pathway was blocked, it disappeared. Such results from an animal model cannot be transferred directly to humans, but they point to a plausible mechanism.
Initial, smaller clinical studies — for example in patients after surgery — likewise suggest better subjective sleep quality under lavender aromatherapy. However, the participant numbers here are small, so the findings carry limited weight.
What animal studies and laboratory work show regarding skin and wound healing
Lavender oil is also being studied beyond the nervous system. A randomised, controlled animal study (rats, diabetes model), published in 2026 in the Gazi Medical Journal, compared lavender oil with other wound dressings. In the lavender group the measured wound area was the smallest; under the microscope the researchers described an increased formation of connective-tissue cells (fibroblasts) and new blood vessels. As this is an animal study, the results are to be classified as preclinical.
In laboratory studies (in vitro), lavender oil shows inhibitory effects against various bacteria and skin fungi; the discussion here centres above all on an effect of linalool on the cell membrane of microorganisms. Traditionally, lavender oil was therefore used for small skin irritations. For topical use, the essential oil is always diluted with a carrier oil — undiluted, it can irritate skin and mucous membranes.
Further clinical studies are currently underway, for example on whether a lavender aroma massage influences pain and wrist mobility in rheumatoid arthritis. Results are still pending.
Why quality and standardisation of preparations matter
Not all lavender preparations are alike. A 2025 quality analysis found that around 30 % of the solid dosage forms examined failed the disintegration test — an indication that the ingredients may not be released reliably. For a consistent composition it is therefore worth looking for standardised, tested extracts and production to GMP standard.
What to bear in mind regarding safety and use
- Children: For infants and young children, topical use and herbal pillows are not advised; for children under 12 there is insufficient data.
- Pregnancy and breastfeeding: In the absence of safety data, taking it is not advised.
- Side effects: Rare; gastrointestinal complaints are possible.
- Interactions: Because of its centrally dampening properties, lavender should not be combined in high doses with other sedatives, sleep aids or alcohol.
Which forms of use are common
| Form of use | Traditional use | Notes |
|---|---|---|
| Essential oil (inhalation) | Inner restlessness, trouble falling asleep | Add 2–5 drops to a diffuser or aroma lamp, or to hot water for a steam bath. |
| Essential oil (topical) | Skin care, tension | Always dilute with a base oil (e.g. almond or coconut oil) at a ratio of 1:5 to 1:10. |
| Lavender tea (flowers) | Nervous restlessness, trouble falling asleep | Pour boiling water over 1–2 tsp of dried flowers and let steep for 10 minutes. |
| Standardised oral extract | Inner tension | Only standardised preparations, as directed on the packaging and after consulting a professional. |
Why lavender rarely stands alone in the European herbal tradition
In Europe's traditional herbal lore, lavender was rarely used in isolation. It was usual to combine it with plants of similar application — above all lemon balm, passionflower and hawthorn. For centuries these four have been among the classic calming herbs of the European cultural sphere, and they appear together again and again in old formulations.
More recent research, too, is increasingly turning its attention to such combinations rather than to single substances. In clinical studies on aromatherapy, for instance, blends of lavender and other essential oils showed in some cases more pronounced effects on sleep quality and fatigue than lavender alone — an indication that plant constituents may complement one another in their effect. Robust data on fixed combinations are still limited, however, and individual plant portraits cannot be transferred one-to-one to mixtures.
What these herbs have in common is their traditional connection to inner calm and balanced sleep: lemon balm was cultivated in monastery gardens in the Middle Ages, passionflower made its way from the Americas into the European home pharmacy, and hawthorn has long been associated with the heart and circulation. Together they paint the picture of a herbalism that does not rely on a single substance but on the interplay of several components — an idea that still shapes many European formulations today.
What role magnesium and vitamin B6 play in the nervous system
Alongside the plants themselves, two micronutrients come into view when it comes to the nervous system: magnesium and vitamin B6. Magnesium is involved in a wide range of processes in the body — it acts as a co-factor for numerous enzymes and is important for, among other things, muscle and nerve cells. A magnesium balance well covered through the diet is therefore regarded as a natural part of a balanced lifestyle.
Vitamin B6, in turn, is involved in protein and messenger metabolism and plays a role in the formation of various neurotransmitters. In practice the two nutrients are often considered together, since vitamin B6 supports the body's utilisation of magnesium. Anyone wishing to combine a plant-based approach with a targeted micronutrient base will find a natural starting point in this pairing of traditional herbs and well-studied nutrients.
Lavender as part of a European herbal combination
Mental Essentia by Natura Nova combines lavender extract with lemon balm, passionflower and hawthorn — supplemented with magnesium bisglycinate and vitamin B6. Made in Switzerland to GMP standard and lab-tested.
In conclusion: what the current research shows — and what remains open
Lavender is a plant rich in tradition whose compounds — above all linalool and linalyl acetate — have been studied intensively in recent years. The current body of research provides indications of effects in the areas of relaxation, sleep and skin care, but it rests to a considerable extent on animal models, laboratory work and smaller or methodologically limited human studies. Large, robust clinical trials remain to be awaited in many areas. Precisely because individual active substances should rarely be viewed in isolation, it is worth looking at the bigger picture — at the interplay of several plants and a solid nutrient base. Anyone using lavender preparations is well advised to look for standardised, tested quality.
This article is for general information and does not replace medical or professional advice. In the case of health complaints, as well as during pregnancy and breastfeeding, please consult a doctor or another qualified professional.
Sources
- Wang Y-R et al. (2025): Short- and long-term effects of inhaled lavender essential oil on anxiety, fatigue, blood pressure, and sleep quality in middle-aged adults with hypertension. Complementary Therapies in Medicine. ScienceDirect
- Ren Y-L et al. (2025): Lavender improves sleep through olfactory perception and GABAergic neurons of the central amygdala. Journal of Ethnopharmacology, 337, 118942. ScienceDirect
- Gülpak M et al. (2026): Effects of Lavender Oil on Wound Healing in an Experimental Diabetes Model in Rats. Gazi Medical Journal. Gazi Medical Journal
- Irwin T et al. (2025): Effectiveness of lavender supplementation in treating the most common mental health conditions in primary care settings: a narrative review. Journal of Herbal Medicine, 54, 101050. ScienceDirect
- A Comprehensive Review on Anxiolytic Effect of Lavandula angustifolia Mill. in Clinical Studies (2025). PMC
- Fadhil EH (2026, ongoing): Effect of Lavender Aromatherapy Massage on Pain and Wrist Mobility in Rheumatoid Arthritis (LAM-RA). Clinical trial registry.
- Report on lavender oil for sleep and anxiety after brain surgery (Medscape, 2025).
- Lavandulae flos — Altmeyers Encyclopedia, Phytotherapy.
Natura Nova Editorial Team · June 2026
