True lavender

What is True lavender?

What is true lavender?

True lavender is a small shrub with narrow leaves and purple flower spikes. It grows wild in the hills of the western Mediterranean. The French name is lavande vraie.

Two parts are used: the dried flowers and the oil steamed out of them. People use it mainly for worry, restlessness and poor sleep. It is also used as a scent, and in diluted form on the skin.

Here is the short verdict. A standard lavender oil capsule has beaten dummy pills for anxiety in a number of trials. Evidence for smelling lavender to help sleep is much weaker and the studies are small.

Lavender has been used in Europe for centuries. That long use tells you the plant is familiar. It is not proof that it works, and it is not proof that it is safe.

How does True lavender work?

How is lavender thought to work?

The honest answer is that nobody is certain. Several ideas come from lab work, not from proof in people.

- In animal and cell studies, the oil's main compounds appear to damp down calcium channels in nerve cells. This may calm nerve signalling.

- In one small brain imaging study in people, a lavender oil capsule seemed to shift serotonin receptor activity. Serotonin is a brain chemical linked to mood.

- In animal tests, lavender oil appears to reduce anxious behaviour. It does not seem to act like a sleeping drug.

- In lab dishes, lavender oil slows some bacteria and fungi. Whether that matters on human skin is not established.

For the smell itself, the usual idea is simple. Scent signals travel from the nose to brain areas tied to mood and memory. This is plausible but not well proven.

There is also a plain effect that has nothing to do with chemistry. A familiar, liked smell can be relaxing because you expect it to be.

In trials of scent, this is very hard to separate from a drug-like effect. Nobody can be blinded to a smell they know.

What forms does True lavender come in?

What forms does it come in?

- Standard oil capsules. These hold a fixed dose of lavender oil and are the form used in most anxiety trials. In Germany this type is sold as a licensed medicine.

- Essential oil for a diffuser or a bowl of hot water. This is for smelling, not for swallowing.

- Diluted massage or bath oil. The essential oil is mixed into a carrier oil such as almond or grapeseed.

- Dried flowers for tea or for a pillow sachet.

- Creams, balms and bath products with lavender added.

- Tinctures, where the flowers are soaked in alcohol.

Labels matter here. Lavandin and spike lavender are cheaper relatives sold under lavender-sounding names. They are higher in camphor and are not the same plant used in the anxiety trials.

If a product does not name Lavandula angustifolia, you cannot assume it is true lavender.

Where it comes from:

How was it used in the past?

Romans added lavender to bath water and laundry. The name is linked to the Latin word for washing. Dried bunches were hung in rooms and chests to scent cloth and keep moths out.

Medieval monastery gardens grew it as a strewing herb and a wound wash. European herbals of the 1500s and 1600s listed it for headache, fainting, shaky nerves and trembling limbs. Lavender water was a standard household item in Britain by the 1700s.

In the 1800s it was carried in smelling bottles for faintness and used in nurseries and sickrooms. French distillers built a trade around the Provence harvest. A French chemist's burn story from the 1920s helped launch modern aromatherapy, but it was one man's account, not a study.

These uses describe what people did. They are not a record of tested results.

What does True lavender help with?

• Anxiety and restlessness: This is the strongest use, and the only one with solid human trials. Folk use treated lavender as a calming herb for nerves and agitation. Modern work tested a standard oil capsule in adults with anxiety. Across a number of randomised trials, the capsule beat a dummy pill on anxiety scores over six to ten weeks. One trial matched a low dose of a prescription calming drug. Most of this research was paid for by the maker, which is a real limit.
• Trouble sleeping: Evidence here is weak and the trials are small. Lavender bags under the pillow and lavender baths were old bedtime habits across Europe. Small studies in hospitals, care homes and student dorms report slightly better sleep scores with lavender scent. The trials are short, few in number, and nobody can be blinded to a smell. Some of the benefit in anxiety trials with capsules may simply follow from feeling less anxious.
• Low mood that comes with anxiety: Possible, but secondary. In some anxiety trials, mood scores improved alongside anxiety scores. Lavender has not been shown to treat depression on its own. If your mood is low most days, that needs a doctor, not a supplement.
• Stress before medical or dental procedures: Mixed and modest. Lavender scent has been tested in waiting rooms, before surgery, during labour and in dialysis units. Some small trials report lower self-rated stress; others find no change. The studies are small and hard to blind. Any effect looks mild and short-lived.
• Tension headache: Thin evidence, long tradition. European folk practice rubbed diluted lavender oil on the temples for headache. One small trial of inhaled lavender in migraine reported less pain than placebo. It has not been repeated at a good size. This is not a reason to skip proper headache care.
• Itchy or irritated skin: Not established. Diluted lavender oil was a folk wash for bites, grazes and itchy skin. In lab dishes the oil slows some bacteria and fungi. Whether that happens on skin is unknown. Lavender is also a known cause of allergic skin rash, so it can make itching worse.
• Scenting rooms, linen and baths: This one works as described, because it is simply a smell. Lavender has been used to scent cloth and rooms for centuries. Nothing medical is claimed by scenting a drawer.

What are the side effects of True lavender?

• Burping, often with a lavender taste. This is the most common complaint with oil capsules.
• Mild nausea or an upset stomach.
• Headache.
• Feeling sleepy or slowed down.
• Skin rash or an allergic reaction where the diluted oil was applied.
• Stinging and irritation if neat (undiluted) essential oil touches the skin.

How much True lavender should you take?

• Recommended daily: How much is usually taken? This page gives label amounts only. It is not advice for you. - Standard lavender oil capsules in Europe carry 80 mg of oil, taken once a day. Some labels allow 160 mg. - Diffuser products usually suggest a few drops in water. - Massage products are usually diluted to about 1-2% essential oil in a carrier oil. - Tea labels usually list one to two teaspoons of dried flowers per cup. Neat essential oil is never meant to be swallowed or put straight on skin. Products that smell of lavender but do not name Lavandula angustifolia may contain a different plant at a different strength. What suits you depends on your other medicines and your health. Ask a pharmacist or doctor before starting capsules.
• Best time of day: When is the best time to take it? Timing depends on the form. - Capsules were usually taken once daily in trials, often in the morning. Taking them at a steady time helps you remember. - Scent and baths are mostly used in the evening, as part of winding down. If lavender makes you sleepy, evening suits better than morning.
• How long to take it: How long should you take it? Trials of the oil capsule ran mostly for six to ten weeks. Some ran up to ten months with no new safety signals. Long-term daily use beyond that has not been well studied. Scent and bath use is usually occasional. If anxiety or sleep problems last more than a few weeks, see a doctor rather than extending use on your own.