Lavender Essential Oil: Benefits, Uses, Blends and Safety
Lavender essential oil is the steam-distilled oil of the flowering tops of Lavandula angustifolia, dominated by linalool and linalyl acetate and prized for sleep, calm and minor skin care. This guide covers how lavender oil is made, its benefits and uses, dilution rates, the best lavender oil blends, its Mercury and crown chakra associations, and lavender oil safety around pets, pregnancy and sunlight.
What is lavender essential oil and how is it extracted?
Lavender essential oil is the steam-distilled volatile oil of the flowering tops of Lavandula angustifolia, the species known in the trade as true lavender or English lavender and once cataloged as L. officinalis or L. vera. Only the flower spikes and a little of the stem go into the still; the woody base of the plant contributes nothing worth having. Harvest runs from late June into early August, and growers in Provence cut when roughly half the florets on a spike have opened, because a spike cut too late has already lost ester content to the sun. Distillation is quick by essential oil standards, usually under an hour of steam, and the cut material is often left to wilt in the field for a day first so the biomass packs into the still more densely. Yield is modest: true lavender gives well under two percent of its fresh weight as oil, which is why a hillside of flowers reduces to a few liters. The condensate separates into oil on top and lavender hydrosol beneath, and both are sold.
Geography does most of the work in a lavender essential oil's character. True lavender is a high-altitude plant in commercial terms, grown on the limestone plateaus of Haute-Provence around Sault and above Valensole, generally from about 600 meters upward, where cold nights and thin soil push the plant toward linalyl acetate. Bulgaria has become the other giant of the trade, with large plantations feeding the flavor and fragrance industry, and useful volumes also come from China, Ukraine, Tasmania and a small English revival in Norfolk and Kent. Within L. angustifolia there are named clonal cultivars such as Maillette and Matheronne, each with its own ester profile, alongside older seed-grown population lavender that yields a more variable but often more complex oil. Mobile field stills are still used in Provence so that cut material reaches steam within hours. Buyers who care about provenance ask for the botanical name, the country, the harvest year and a gas chromatography report, because none of that appears on a retail label by default.
Is lavender essential oil ever produced by a method other than steam distillation?
Yes. Lavender absolute is made by solvent extraction of the flowers, usually via a concrete and then an alcohol wash, and it is a dark green, thick, intensely sweet-herbaceous material used in perfumery rather than massage. CO2 extracts of lavender also exist and sit closer to the smell of the living flower. Neither is a substitute for steam-distilled lavender essential oil in aromatherapy practice, where the distilled oil is the reference material.
What is lavender hydrosol and is it the same as lavender essential oil?
Lavender hydrosol is the aromatic water that condenses alongside lavender essential oil during distillation, carrying the water-soluble fraction of the plant. It is far weaker, gently floral with a green edge, and is used undiluted as a facial toner, a linen spray or a pillow mist. It is not lavender oil diluted in water, and it has a short shelf life of roughly a year because it can support microbial growth.
What does the grade Lavender 40/42 mean?
Lavender 40/42 is a standardized trade grade adjusted so that linalool and linalyl acetate together fall in a fixed band, giving soap and candle makers a consistent smell batch to batch. It is usually a blend of lavender and lavandin oils, sometimes with added synthetic linalyl acetate. It is a perfectly honest product for scenting purposes but it is not a single-origin Lavandula angustifolia oil and should not be bought for therapeutic use.
What does lavender essential oil smell like?
Lavender essential oil smells sweet, floral and herbaceous with a clean green-hay opening, a soft powdery heart and a faint camphoraceous bite underneath that keeps it from being sugary. In perfumery it behaves as a top-to-middle note: the first impression is bright and slightly sharp, it settles into the recognizable floral within a few minutes, and it has largely faded within a couple of hours unless a base note holds it down. The two compounds doing most of that talking are linalool, which supplies the fresh floral-woody lift, and linalyl acetate, which supplies the sweet, fruity, pear-drop softness. In a good Lavandula angustifolia oil these two together account for the majority of the oil, with lavandulyl acetate, terpinen-4-ol, beta-caryophyllene and traces of 1,8-cineole filling in the edges. Camphor stays low in true lavender, generally well under one percent, and its level is the fastest way to tell a fine oil from a coarse one by nose alone.
Placed beside its relatives, lavender essential oil is the mild one. Lavandin, from Lavandula x intermedia, smells sharper and more medicinal because it carries several percent camphor plus more 1,8-cineole, which is why lavandin dominates laundry products and why a cheap lavender oil that smells like a cleaning cupboard is usually lavandin. Spike lavender, Lavandula latifolia, goes further still and reads as almost eucalyptus-like. Spanish lavender, Lavandula stoechas, is a different animal again, high in ketones such as fenchone and camphor, aromatic and pungent, and not interchangeable with true lavender in either smell or safety profile. Adulteration exploits the gap: synthetic linalool and linalyl acetate are cheap, and blending them into lavandin produces something that passes a casual sniff test. Laboratories catch it with chiral gas chromatography, because natural lavender's linalool is strongly biased toward one enantiomer while the synthetic version arrives as a near-even mixture. On the nose, the tell is a blend that smells loud and one-dimensional at first spray and then vanishes.
Why does my lavender essential oil smell sharp or medicinal?
A sharp, medicinal lavender essential oil usually means one of three things: the bottle is lavandin or contains lavandin, the oil is a low-altitude or late-harvested Lavandula angustifolia with elevated camphor, or the oil has oxidized in storage. Fresh true lavender should read sweet first and herbal second. If the sweetness is absent and a turpentine edge has appeared in a bottle you have owned for years, oxidation is the likely answer.
Where does lavender essential oil sit in a perfume blend?
Lavender essential oil is a bridge note, sitting between citrus tops and woody or resinous bases and smoothing the join between them. It is the defining note of the fougere family, established when Houbigant released Fougere Royale in 1882, built on lavender against coumarin and oakmoss. In practical blending, lavender oil is the material you reach for when two other oils refuse to sit together.
Does lavender essential oil smell different by country of origin?
Yes, noticeably. High-altitude French Lavandula angustifolia from Haute-Provence tends to be the sweetest and most ester-rich, with a rounded floral heart. Bulgarian lavender oil is typically a touch more herbaceous and green. Oils from warmer, lower-lying regions often show more camphor and read drier. Cultivar matters as much as country, so Maillette grown outside France still carries a recognizable Maillette signature.
What are the main lavender oil benefits?
The best-supported lavender oil benefits cluster around sleep, situational anxiety and minor skin irritation. Inhaled lavender essential oil is the most studied of any aromatherapy material for sleep quality, and trials in hospital wards, care homes and student populations have repeatedly reported better subjective sleep and less night waking when lavender oil is diffused or placed on a pillow patch. For anxiety, the evidence is strongest in short, defined situations rather than chronic conditions: waiting rooms before dental work, pre-operative holding areas, chemotherapy infusion suites and labor rooms are where lavender oil has been trialled most often and where reported effects on self-rated anxiety are most consistent. Topically, diluted lavender oil is used for insect bites, minor blemishes, small superficial burns and the tight ache of a tension headache rubbed into the temples and the base of the skull. There is also a long clinical tradition of lavender in massage for muscular tension, where the oil's sedative reputation and the massage itself are difficult to separate, and practitioners generally do not try.
The mechanism story is partly understood. Linalool is absorbed rapidly through the lungs and skin and reaches the bloodstream in minutes, and animal work has associated it with reduced motor activity and anxiolytic-type effects independent of the smell itself. That matters because it suggests lavender essential oil is not acting purely by association and expectation, though expectation certainly contributes with a scent this culturally loaded. Europe has taken the pharmacological reading furthest: a standardized oral preparation of Lavandula angustifolia oil in gelatin capsules, sold as a licensed medicine in Germany, has been trialled for anxiety disorders and is regulated as a drug rather than a supplement. That product is not the bottle on your shelf, and its existence is not permission to swallow retail lavender oil. Set against this, the honest limits are worth naming: most aromatherapy trials are small, blinding a fragrance is close to impossible, and results for pain and for depression are far weaker than results for sleep and short-term anxiety.
How does lavender essential oil help with sleep in practice?
Lavender essential oil is used for sleep by diffusing three to five drops for half an hour before bed, misting a pillowcase with lavender hydrosol, or applying a 1 percent dilution to the wrists and chest. The routine matters as much as the chemistry, since a consistent scent cue becomes a sleep signal over a few weeks. People who wake often report the biggest subjective difference; people with sleep-onset insomnia driven by racing thoughts report the second biggest.
Is lavender essential oil good for burns?
The tradition comes from Rene-Maurice Gattefosse, the French chemist who coined the word aromatherapie and described plunging a burned hand into lavender after a laboratory accident, an episode published in his 1937 book. Modern first aid puts cool running water first for at least twenty minutes. Diluted lavender oil has a place afterwards on small, superficial, already-cooled burns, and no place at all on blistered, broken or extensive burns.
Does lavender essential oil help headaches?
Lavender essential oil is used for tension-type headache by inhaling from a personal inhaler or rubbing a 1 to 2 percent dilution into the temples, forehead and the muscles at the base of the skull, keeping well clear of the eyes. Small trials have also looked at inhaled lavender for migraine with some encouraging results. It is a comfort measure that works best early, and it is not a replacement for migraine medication.
What are the most common lavender oil uses at home?
The most common lavender oil uses at home are bedtime diffusion, a pulse-point roller, a bath blend, a linen and pillow mist, and a general-purpose skin salve. A 10 ml roller bottle filled with jojoba and 4 drops of lavender essential oil gives a 2 percent blend that lives in a bag and gets used at the moment stress spikes. For the bath, lavender oil must be dispersed first in a tablespoon of carrier oil, unscented liquid castile or full-fat milk, since neat drops float and sit against skin at full strength. Household uses are older than aromatherapy itself: lavender sachets in a wardrobe deter clothes moths, a few drops on a wool dryer ball scents laundry, and lavender oil in a vinegar-and-water spray makes a cleaning solution that actually smells like something you want in the house. In hair care, lavender oil is added at low concentration to shampoo or to a scalp oil for itch and flaking, and it appears in traditional head-lice combing routines alongside tea tree.
Application method changes the result more than most people expect. Inhalation from a personal aroma inhaler, the little cotton-wick tubes, delivers lavender essential oil at a useful concentration to one person without perfuming a shared office, and it is the discreet option for anxiety at a desk or on a flight. Diffusion suits a room and a ritual but spreads the oil to everyone in it, including pets and children. Topical application in carrier is slower and longer-lasting and adds the effect of touch, which is why massage remains the delivery route clinical aromatherapists prefer. A steam bowl with one drop of lavender oil in hot water, eyes closed and a towel over the head, is a traditional approach to a stuffy head, though eucalyptus does that job better and lavender is the gentler substitute for people who find eucalyptus harsh.
How do you make a lavender essential oil pillow and linen spray?
Combine 30 ml of unscented high-proof alcohol such as vodka or perfumer's alcohol with 8 to 10 drops of lavender essential oil in a 100 ml mister, shake, then top up with distilled water or lavender hydrosol. The alcohol acts as a solubilizer so the oil disperses instead of floating. Shake before each use, mist the pillowcase from about 30 cm away, and let it dry before lying down to avoid a damp patch.
Can lavender essential oil be used on hair and scalp?
Yes. Lavender essential oil is added to scalp treatments at around 1 to 2 percent, usually in jojoba or coconut oil, massaged in and left for 20 to 30 minutes before washing out, for itch, flaking and general scalp comfort. Some people add a couple of drops per handful of shampoo instead. Lavender oil is a mild choice compared with rosemary, which is the oil more often associated with hair growth claims.
Does lavender essential oil repel moths and insects?
Dried lavender and lavender essential oil have been used against clothes moths for centuries, and sachets refreshed with a few drops of oil every couple of months are the traditional method for a wardrobe or drawer. Lavender oil also has a modest reputation as a mosquito deterrent, though it is weaker and shorter-lived on skin than citronella or lemon eucalyptus. Its more reliable insect use is soothing the bite after the fact.
How do you dilute and apply lavender essential oil correctly?
Lavender essential oil is diluted to 1 percent for facial use, children and daily whole-body application, 2 percent for general adult body use, and up to 3 percent for a short-term localized problem such as an aching shoulder. The arithmetic is easy because roughly 20 drops of lavender oil make 1 ml: 1 percent in 30 ml of carrier is 6 drops, 2 percent is 12 drops, 3 percent is 18 drops, and in a 10 ml roller bottle those figures become 2, 4 and 6 drops. Choose a carrier that suits the job. Jojoba is technically a liquid wax, resists rancidity and works well in rollers; sweet almond is the standard massage carrier; fractionated coconut oil is light and stainless on fabric; and an unscented lotion or aloe gel is better than any oil for a face routine. Patch test before committing to a new bottle: apply the intended dilution to the inner forearm, leave it uncovered for 24 to 48 hours, and check for redness, itching or bumps before using it more widely.
Dose sensibly by person as well as by product. Infants under three months are best kept away from essential oils entirely, including lavender oil; from three months to two years, 0.25 to 0.5 percent is the usual ceiling and inhalation is preferred to topical use; children up to about ten sit at 0.5 to 1 percent. Older adults with thin or fragile skin and anyone with eczema, psoriasis or broken skin should halve whatever they would otherwise use, because compromised skin absorbs more and reacts more. Keep lavender essential oil away from eyes, inner ears and mucous membranes, and if oil does reach an eye, flush with a bland vegetable oil rather than water, since the oil is not water-soluble. Treat the drop counts above as a ceiling rather than a target.
How many drops of lavender essential oil go in a bath?
Use 4 to 6 drops of lavender essential oil for an adult bath, always pre-mixed into a tablespoon of carrier oil, unscented liquid castile soap or a cup of full-fat milk before the water goes in. Neat drops on the surface do not dissolve; they cluster and contact skin at 100 percent, which is a common cause of stinging in sensitive areas. For a child's bath, use 1 to 2 drops with the same dispersal step.
What is the best carrier oil for lavender essential oil?
Jojoba is the best all-round carrier for lavender essential oil in rollers and facial blends because it is a liquid wax that resists going rancid and absorbs without heaviness. Sweet almond suits full-body massage, fractionated coconut suits blends that must not stain, and cold-pressed sunflower is a cheap, neutral option for large volumes. Avoid mineral oil, which sits on the surface and blocks absorption.
Can lavender essential oil be taken internally?
Retail lavender essential oil should not be swallowed or added to drinks. Oral use of essential oils belongs to a small number of qualified clinicians working with pharmaceutical-grade preparations at controlled doses, such as the licensed encapsulated lavender oil medicine available in parts of Europe. A dropper bottle from a shop carries no such dosing control, and undiluted lavender oil irritates the esophageal and gastric lining.
Which lavender oil blends work best?
The most useful lavender oil blends pair its sweet floral middle with something that gives it either grounding or lift. For sleep, lavender essential oil with cedarwood or vetiver at roughly 3 parts lavender to 1 part wood produces a heavier, more sedative accord than lavender alone. For daytime calm, 2 parts lavender to 1 part bergamot is the classic anxiety blend and one of the most reliable pairings in a practitioner's kit, since bergamot's brightness stops lavender turning soporific. For tension headache, 3 parts lavender to 1 part peppermint on the temples adds a cooling counter-irritant note. For premenstrual cramping, lavender with clary sage and a little geranium in an abdominal massage blend is standard practice. For meditation, lavender with frankincense trades sweetness for resinous depth. On skin, lavender with tea tree covers blemishes and lavender with chamomile addresses irritation. Because lavender oil is a natural blender it rarely needs to lead: 30 to 50 percent of the total drops is usually the right share.
Perfumery gives lavender oil a second life beyond therapy. The fougere structure, lavender over coumarin with mossy and woody support, has anchored men's fragrance since Houbigant's Fougere Royale in 1882, and any home blender who adds tonka-like sweetness and a touch of oakmoss absolute to lavender essential oil is reconstructing that skeleton. Eau de cologne accords use lavender differently, as a herbal hinge between bergamot, lemon, neroli and rosemary. The oils lavender resists are the ones with nothing to add to its middle: two soft florals stacked together, or lavender with a heavy sweet gourmand, tend to muddle. Mix on a smelling strip and let it dry down for an hour before judging, because lavender's opening is misleading and blends that seem harsh at minute one often settle.
What blends with lavender essential oil for anxiety?
Bergamot is the first choice, at about 2 parts lavender essential oil to 1 part bergamot, giving a bright, unheavy calm suitable for daytime. Sweet orange works the same way and is cheaper. Frankincense deepens the blend for meditation, geranium adds a green floral balance, and clary sage suits blends aimed at tension with a hormonal component. Keep the total dilution at 1 to 2 percent regardless of how many oils are involved.
What blends with lavender essential oil for sleep?
Cedarwood, vetiver and Roman chamomile are the three partners most used with lavender essential oil for sleep, because each brings a heavier base note that slows the blend down. A workable diffuser mix is 3 drops lavender, 1 drop cedarwood and 1 drop vetiver. Sandalwood does the same job more expensively. Avoid pairing sleep lavender with peppermint, rosemary or eucalyptus, which pull in the opposite direction.
Should lavender essential oil lead a blend or support it?
Lavender essential oil usually works best as the largest single component without being the whole idea, typically 30 to 50 percent of the drop count. It has enough character to be recognizable and enough softness to reconcile oils that clash. When lavender exceeds about 70 percent of a blend the other oils stop reading as anything more than a shadow, which wastes them.
What are the spiritual and chakra associations of lavender essential oil?
Lavender essential oil is assigned to Mercury and the element of air in the Western herbal tradition, an attribution Nicholas Culpeper set down plainly in his 1653 Complete Herbal when he wrote that Mercury owns the herb. That places lavender with the mind rather than the heart: communication, mental clarity, the settling of scattered thought. In chakra work lavender oil is worked with at the crown, sahasrara, and at the third eye, ajna, matching both the flower's violet color and its reputation for quieting the internal narration that blocks meditation. Scott Cunningham's Encyclopedia of Magical Herbs, a standard modern reference for correspondences, lists lavender under love, protection, sleep, purification, longevity and peace, and those categories still shape how lavender oil is used in practice. The oil turns up in purification baths before ritual, in anointing blends for divination, in dream pillows, and in cleansing sprays for a room that feels stale. Midsummer is its seasonal association, since the harvest and the solstice fall close together in its European heartlands.
The name itself carries the practice. Lavender is usually traced to the Latin lavare, to wash, and Roman bathhouses and laundries used the herb heavily, which is why the association with cleansing is older than any modern energy system. Medieval and Tudor households strewed lavender on floors and packed it into linen chests, and the herb sits in the folklore of Four Thieves vinegar, the plague-era formula said to have protected a band of robbers. Hildegard of Bingen wrote about lavender in her twelfth-century Physica, distinguishing it from spike lavender and describing it as a herb of purity. Practically, working with lavender essential oil in a spiritual context tends to mean one drop in a bowl of warm water for a room cleanse, a drop on the pillow before intentional dream work, or a 1 percent blend anointed at the hairline and brow before sitting to meditate. Lavender's reputation in these traditions is for clearing rather than summoning: it takes something away.
Which chakra is lavender essential oil associated with?
Lavender essential oil is associated primarily with the crown chakra, sahasrara, and secondarily with the third eye, ajna. The link rests on the violet coloring of both the flower and the crown center and on lavender's use for stilling mental chatter. Practitioners apply a 1 percent dilution at the crown of the head or between the brows before meditation, or diffuse lavender oil in the space where the practice happens.
What planet and element rule lavender in magical correspondence?
Lavender is ruled by Mercury and the element of air in the standard Western correspondence tables, following Culpeper's 1653 attribution and carried forward by later writers including Scott Cunningham. The Mercury link ties lavender essential oil to communication, study, travel and mental clarity, which is why lavender appears in blends for writing and for exams as often as it does in blends for sleep.
How is lavender essential oil used for dream work?
Lavender essential oil is used for dream work by misting the pillow, placing one drop on a cloth tucked into the pillowcase, or adding lavender to a dream pillow with mugwort and rose. The intention in this tradition is calmer, more remembered dreams rather than prophetic ones. Keep a notebook beside the bed, since the practice depends on recording what surfaces before it fades on waking.
What lavender oil safety cautions matter most?
The largest lavender oil safety issue is skin sensitization from an oxidized bottle rather than from the fresh oil. Linalool and linalyl acetate react with air over months to form hydroperoxides, and those degradation products are recognized contact allergens; fresh, well-stored Lavandula angustifolia oil at sensible dilution is a low-risk material, while a three-year-old half-empty bottle is not. Store lavender oil in filled amber glass with the cap tight, keep it out of the bathroom, and replace it after about two years. Lavender essential oil is not phototoxic and carries no sun-exposure restriction, since it contains no furanocoumarins. Around animals it needs real caution: the ASPCA lists lavender as toxic to cats, dogs and horses, and cats in particular metabolize terpenes poorly, so lavender oil should never go on a cat or into a room a cat cannot leave. Case reports have linked repeated topical use of lavender-containing products with prepubertal breast development in children, a finding that remains debated but is reason enough to keep lavender oil off young children's skin.
Several other cautions are worth holding in mind. Lavender essential oil has a mild sedative reputation, so heavy use alongside sedative medication, sleep aids or alcohol may compound drowsiness, and it is sensible to keep exposure light before driving. Anyone with a known allergy to plants in the Lamiaceae family, which includes mint, rosemary and basil, should patch test carefully. People with epilepsy are generally advised to avoid high-camphor oils, which makes true lavender the safer choice within the genus and Lavandula stoechas the one to avoid. Keep bottles out of reach of children with the dropper insert intact, since a mouthful of lavender oil warrants an immediate call to poison control. Finally, undiluted lavender oil damages varnished furniture, some plastics and painted surfaces, so a spilled drop on a bedside table should be wiped immediately rather than left to sit.
Can you become allergic to lavender essential oil over time?
Yes. Sensitization to lavender essential oil develops with repeated exposure, particularly to oxidized oil and particularly when applied neat, and once established the reaction tends to be permanent and can extend to other products containing linalool. The way to reduce the risk is to dilute properly, replace bottles every couple of years, and avoid daily neat application to the same patch of skin.
Is lavender essential oil safe to diffuse around babies?
Lavender essential oil should be kept away from infants under three months entirely. From three months, brief low-dose diffusion in a well-ventilated room while the baby is elsewhere, stopped before the child comes back in, is the cautious approach most practitioners take. Never apply lavender oil to a baby's skin, in the bath water or near the face, and never leave a diffuser running in a closed nursery overnight.
How should lavender essential oil be stored?
Store lavender essential oil in dark amber or cobalt glass, upright, capped tightly, in a cool cupboard away from sunlight and radiators, ideally below 25 degrees Celsius. Refrigeration in a dedicated box extends life further. Decant into a smaller bottle once half used, since the trapped air in the headspace drives the oxidation that turns lavender oil from a gentle material into a sensitizing one.
Frequently Asked Questions
Is lavender essential oil safe to use undiluted on skin?
Lavender essential oil is one of the few oils traditionally applied neat, a habit that traces back to Rene-Maurice Gattefosse and his account of treating a laboratory burn, but current practice in aromatherapy is to dilute it. Repeated neat application is the fastest route to sensitization, and once someone reacts to lavender oil they usually react to it for life. The pragmatic middle ground most practitioners take: a single drop of lavender oil on an insect bite or a small blemish is low risk, while anything covering more than a coin-sized area, anything repeated daily, and anything on a child goes into a carrier at 1 to 2 percent first.
Does lavender essential oil cause photosensitivity in sunlight?
Lavender essential oil is not phototoxic and does not cause photosensitivity, because it contains no furanocoumarins such as bergapten. Those compounds sit in cold-pressed citrus peel oils like bergamot, expressed lime and expressed lemon, not in steam-distilled Lavandula angustifolia. You can apply diluted lavender oil to skin and go outdoors the same day without a sun-exposure waiting period. The one caveat is indirect: if you blend lavender oil with bergamot or lemon, the citrus component carries the phototoxic risk and the finished blend has to respect the citrus limit, not lavender's clean record.
How much lavender essential oil should I put in a diffuser?
Three to five drops of lavender essential oil in a standard 100 to 200 ml ultrasonic diffuser is enough for an average bedroom, run for 30 to 60 minutes rather than all night. Lavender oil is a case where more is not better: at high concentration in a closed room the sweet floral top collapses and the camphoraceous, slightly bitter herb underneath becomes obvious, which many people find stimulating instead of settling. Run the diffuser while you wind down, let it stop, and sleep in the residual scent. In a nursery, halve the dose, use it only while the room is empty, and ventilate before the child goes in.
What is the difference between lavender essential oil and lavandin oil?
Lavender essential oil comes from Lavandula angustifolia, while lavandin oil comes from Lavandula x intermedia, a sterile hybrid of L. angustifolia and spike lavender bred for yield. Lavandin plants are larger, grow at lower altitude, and produce several times more oil per hectare, so lavandin is far cheaper. Chemically, lavandin carries noticeably more camphor and 1,8-cineole, giving it a sharper, more medicinal smell that suits soap, detergent and cleaning products. For sleep and calming work, aromatherapists prefer true lavender oil for its higher linalyl acetate and softer profile. Lavandin sold as lavender is the single most common adulteration in the trade.
Is lavender essential oil safe for cats and dogs?
Lavender essential oil is listed by the ASPCA as toxic to cats, dogs and horses, and cats are the bigger concern because their liver handles the glucuronidation of terpenes poorly. Never apply lavender oil to a cat, never add it to litter or bedding, and do not diffuse it in a room the cat cannot leave. For dogs, ambient diffusion in a ventilated room with an open door is generally tolerated, but topical lavender oil on a dog should only happen at very high dilution and ideally on veterinary advice. Signs of trouble in either species include drooling, wobbliness, vomiting and labored breathing, and the correct response is fresh air and a vet call.
How long does lavender essential oil last before it goes off?
Lavender essential oil keeps well for about two years from distillation if stored in filled amber glass, tightly capped, away from heat and light, and it can hold up longer in a fridge kept for oils. The problem is not that lavender oil spoils in an obvious way but that linalool and linalyl acetate oxidize slowly in contact with air, forming hydroperoxides that are far more likely to sensitize skin than the fresh oil. Practical signs of an aged bottle include a thinner, sharper, slightly turpentine-like smell, a loss of the sweet floral middle, and a more viscous feel. Decant a half-empty bottle into a smaller one to cut the headspace.
Can you use lavender essential oil during pregnancy?
Lavender essential oil is one of the oils Tisserand and Young's Essential Oil Safety places in the no-restriction category for pregnancy at normal topical and inhaled doses, and it is widely used in maternity units for labor massage and inhalation. Common practice among aromatherapists is still to keep away from all essential oils in the first trimester, use 1 percent dilution rather than 2 or 3 percent afterwards, and favor inhalation over heavy topical use. Oral lavender oil is a different matter and is not appropriate in pregnancy outside of medical supervision. As always, a pregnancy with complications is a conversation for the midwife or doctor before the diffuser.
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