Lavandula angustifolia · Flower
Lavender
Traditional + some evidenceIts name may come from the Latin 'lavare', to wash, since Romans scented their baths with it. Lavender has perfumed linen closets and gardens ever since.
Traditionally used for
- Traditionally used for relaxation and restful sleep
- Used in washes and sachets in European homes
What research says
NCCIH reports some research on oral lavender oil and lavender aromatherapy for anxiety, but more rigorous studies are needed.
How people use it
- Culinary buds in shortbread and lemonade (sparingly)
- Sachets for pillows and drawers
- Diluted essential oil for aroma
Safety and interactions
- Topical use may irritate skin
- Do not swallow essential oil unless in a product made for oral use
- Ask your doctor about use with sedatives
Always talk with your doctor or pharmacist before using lavender as a supplement, especially with prescription medicine, in pregnancy or before surgery.
Sources
Reviewed October 25, 2026. Evidence tier: Traditional + some evidence: Long traditional use; human research is limited, small or mixed. How we rank evidence.