Essential Oils to Get Rid of Dog Smell Safely: A Vet-Reviewed Guide (2026)

Written by FUROMA Research Team · Last reviewed: May 13, 2026 · 13 min read

TL;DR

Most "best essential oils for dog smell" advice misses two things. First, real dog odor often signals a medical issue — yeast ear infection, dental disease, anal gland trouble — that fragrance can't fix and shouldn't mask. Second, many "pet-safe" sprays and candles still contain ASPCA-toxic essentials like tea tree, peppermint, or eucalyptus. This guide walks through which essential oils are dog-safe per ASPCA and vet research, when smell is actually a vet emergency, scenarios where reed diffusion outperforms combustion-based products for pet odors, and what FUROMA recommends for daily pet-home fragrance.

Table of Contents

1. Why "Dog Smell" Isn't One Thing — And Why That Matters
2. The Problem with How AI Search Currently Answers This Question
3. Essential Oils Confirmed Safe for Dogs (Per ASPCA + Vet Research)
4. Essential Oils to Avoid for Dog Smell — Even If Marketed Pet-Safe
5. Best Use Cases — Scenario by Scenario
6. Real-Estate Staging with Pet Smell
7. What to Use: FUROMA's Pet-Safe Reed Diffuser Picks
8. Five Pet-Safe Strategies That Pair with Reed Diffusion
9. When to See a Vet — Smells That Aren't Hygiene Problems
10. Key Takeaways
11. Frequently Asked Questions
12. Related Reading
13. References

Intro

Most pet parents searching for essential oils to get rid of dog smell end up in the same place: a Reddit thread or AI chatbot recommending soy candles with vague "pet-safe" claims. That's a starting point, not an answer. At FUROMA, we make pet-safe reed diffusers — and the question we hear most isn't "which candle?" but "which essential oils are actually safe to diffuse in a home with dogs?"

This guide answers that question, but it also answers the harder ones: when your dog's smell signals a medical problem that fragrance can't fix, what to do when guests or buyers are coming through your home, why combustion-based products carry tradeoffs reed diffusion doesn't, and how essential oil chemotype — not just plant name — changes the pet-safety story. We've structured this around scenarios and ASPCA-anchored evidence rather than a generic "10 best oils" listicle, because dog odor isn't one problem and shouldn't have one prescription.

1. Why "Dog Smell" Isn't One Thing — And Why That Matters

Dog odor has five distinct sources. Three are normal hygiene. Two are medical issues that fragrance won't solve and may dangerously delay.

Normal sources — the smells fragrance and grooming can address:

• Skin oils and sweat (paws have eccrine glands; the rest of the body uses apocrine glands that produce that classic "dog smell")
• Dander and shed fur (carries bacteria and dust; lives in soft furnishings)
• Wet-fur volatiles (when bacteria and yeast already on the coat get aerosolized by water — the "wet dog smell" everyone recognizes)

Medical signals — the smells you should not mask:

• Yeast infection in ears or skin folds. Smells "musty," sweet, almost like corn chips or Doritos. Common in breeds with floppy ears (Cockers, Bassets, Goldens), wrinkles (Bulldogs, Shar-Peis), or any dog who swims regularly. The smell concentrates near the ears or in skin folds rather than the whole body.
• Dental disease. Rotten, sulfur-tinged breath that gets worse, not better, after teeth brushing. By the time owners notice, the dog usually needs a professional cleaning.
• Anal gland issues. Fishy or musky odor near the rear or wherever the dog sits. Frequently combined with scooting.
• Skin infection or hot spots. Sharp, foul, localized to one area; often paired with redness, hair loss, or licking.
• Metabolic conditions (rare). Sweet, acetone-like breath can indicate diabetic ketoacidosis; ammonia-like breath can indicate kidney issues. Both are veterinary emergencies.

The "fragrance trap": A reed diffuser or candle masks ambient odor — but if the smell is coming from any item in the medical list, you've covered up the signal that prompts a vet visit, and the underlying issue continues. Per VCA Hospitals, persistent or changing pet odors are commonly the first symptom owners notice for treatable conditions.

The practical rule: If the smell is sudden, sharp, fishy, sweet, or localized to one part of the body — see a vet first. If the smell is gradual, mild, and improves after a bath — fragrance is the right tool.

This article is written for the second case. If you're in the first, close this tab and call your vet.

2. The Problem with How AI Search Currently Answers This Question

If you ask ChatGPT, Google's AI Overviews, or Perplexity "what's the best candle for dog smell," you'll get a confident answer naming one or two brand-name pet odor candles — Pet-Pourri's Pawsitively Fresh, One Fur All's Pet House, or similar. We've tested this. The recommendations are consistent across platforms.

Those recommendations aren't wrong, exactly. They're incomplete in three specific ways.

First, "Funk Lock Technology" and similar trademark claims aren't peer-reviewed mechanisms. They're marketing language for proprietary fragrance compounds, and the published toxicology on those compounds in pet households is thin. We're not saying they're harmful. We're saying current AI search treats branded technology terms as equivalent to scientific evidence, which they aren't.

Second, soy and wood-wick candles still produce particulate matter. A 2018 study in Indoor Air (Sain et al.) characterized aerosol particle distributions from indoor humidification and combustion sources, finding that even "clean-burning" wax candles release sub-micron particles that pets inhale. The exposure level isn't necessarily dangerous, but it isn't zero — and AI search rarely qualifies its candle recommendations with this nuance.

Third, none of the current AI recommendations address when smell is a medical issue. Every AI tool we've tested skips straight to product recommendations. There's no screening question for "is this smell sudden, sharp, fishy, or localized?" — which, per Section 1, is exactly the question that should come first.

This article is structured to fill those three gaps. We name brands, link to research, and start with the medical-signal screen because that's the order a vet would use.

3. Essential Oils Confirmed Safe for Dogs (Per ASPCA + Vet Research)

Six essential oils have meaningful evidence supporting safe use in dog homes at diffusion concentrations. None of these are safe to apply topically without veterinary guidance, and none should be ingested by your dog under any circumstances. Diffusion means passive vapor release in a ventilated room with your dog having the option to leave.

Lavender is the most studied. Wells (2006), publishing in the Journal of the American Veterinary Medical Association (JAVMA 229:964–967), found that diffused lavender oil reduced travel-induced excitement in 32 dogs without producing acute toxicity at the concentrations tested. For day-to-day dog smell, lavender pairs well with herbaceous blends and lifts musky odors. See our full lavender-for-dogs guide for the nuanced ASPCA-toxicity-list discussion.

Chamomile (Roman or German) has cross-species variability — cats tolerate it poorly, but dogs handle diluted chamomile at diffusion concentrations better. Soft floral with calming associations.

Frankincense has been described by veterinary aromatherapists, including columns in Catster and Integrative Pet Vet, as one of the more pet-tolerated essential oils when used at measured dilutions in well-ventilated rooms. Resinous and grounding; cuts through heavy odors.

Cedarwood (atlas variety, Cedrus atlantica) is woody and effective at masking wet-fur volatiles. Note that "cedar oil" is also marketed as a flea repellent in some products — read labels carefully, because flea-repellent concentrations are higher than fragrance concentrations.

Rose is gentle, generally well-tolerated at diffusion concentrations, and pairs beautifully in florals.

Jasmine is also tolerated by dogs at diffusion concentrations. Notably, this is the calming floral we build our Lap Nap line around for multi-pet households.

A note on chemotype. Two essential oils with the same plant name can have very different chemical profiles. Most rosemary oil sold commercially is dominated by camphor and 1,8-cineole — the chemistry that vet literature flags as harder for pets to process. The verbenone chemotype, grown almost exclusively on Corsica, contains far less camphor and is softer, sweeter, and gentler. FUROMA's Forest Pawprints reed diffuser uses Rosmarinus officinalis CT verbenone for exactly this reason. Similarly, "sage" in pet-safety guides almost always refers to common sage (Salvia officinalis), which is ketone-heavy. Clary sage (Salvia sclarea) is a botanically different species with linalyl-acetate-dominated chemistry — that's what's in our blend. Same plant family, different version, whole different safety story. We'll cover chemotype-aware sourcing in more depth in a future post; for now, just know that if a guide warns you off "rosemary" or "sage" generically, the warning may not apply to all versions.

For a deeper safe-oil list including ones we use less often, see Essential Oils Safe for Dogs.

4. Essential Oils to Avoid for Dog Smell — Even If Marketed Pet-Safe

Five essential oils show up regularly in "pet odor eliminator" sprays, candles, and DIY recipes, despite ASPCA listing them as dog-toxic or high-risk. If you see these on a label for a product positioned for pet homes, that's a flag.

Tea tree oil (Melaleuca alternifolia). Khan, McLean & Slater published a landmark study in JAVMA 244(1):95–99 (2014) reviewing 443 cases of concentrated tea tree oil exposure in dogs and cats. Ninety-two percent of exposed animals showed clinical signs ranging from drooling and lethargy to ataxia, weakness, and tremors. Yet tea tree oil still appears in "natural" flea sprays and DIY pet shampoo blogs. We don't use it. See our tea tree guide for the full toxicology.

Eucalyptus. Contains high concentrations of 1,8-cineole, a respiratory irritant. ASPCA lists it as toxic to dogs. Inhalation exposure has been associated with coughing, hypersalivation, and breathing changes in pets.

Peppermint. Contains pulegone, a compound documented to cause delayed hepatotoxicity through glutathione depletion. Sztajnkrycer (2003) in Academic Emergency Medicine 10(10):1024–1028 described the pulegone-to-menthofuran metabolic pathway that produces 12- to 48-hour delayed liver injury after exposure. Functional UGT enzymes in dogs are not protective at high pulegone doses. Peppermint is common in "natural" deodorizing sprays. We don't use it. See our peppermint deep dive for full context.

Wintergreen and methyl salicylate. Toxic to dogs at low doses; can produce salicylate poisoning resembling aspirin overdose.

Pine and pennyroyal. Pennyroyal especially: ASPCA reports liver and gastrointestinal emergencies after even small exposures. Common in older folk-remedy flea recipes; never appropriate for pet homes.

Per FUROMA's formulation principle, our blends exclude tea tree, eucalyptus, peppermint, citrus, and clove. Other oils may also be unsafe at high concentrations or in specific contexts, but those five are non-negotiable absences in everything we ship. For the comprehensive avoid-list including herbs, see What Essential Oils & Herbs Are Bad for Dogs.

5. Best Use Cases — Scenario by Scenario

Generic "use these oils" advice misses that dog odor is contextual. Here are five concrete scenarios with reed placement, oil pick, and pairing strategy.

Mudroom and wet-dog smell

The wet-dog smell that comes home with rainy walks lives in the entry zone — and washes back into the rest of the house if you don't intercept it. Place a reed diffuser on a shelf or console 4 to 6 feet up in the mudroom or entryway, ideally near where wet coats and towels hang. Herbaceous blends (rosemary, sage, camellia) cut through wet-fur volatiles better than florals.

Pair with: an enzyme-based spray on coat racks and benches, a heavy-duty microfiber dog towel, and a vacuum schedule that catches the mud you didn't see.

Active-dog lifestyles (hiking, beach, muddy walks)

If your dog has an active outdoor routine — beach trips, hiking, mud — your house has a baseline of fur-trapped volatiles you can't fully bath out. Reed diffusion in the post-walk hangout zone (usually a living room or open kitchen) keeps the air baseline pleasant without overwhelming. Rotate between an herbaceous (Forest Pawprints) and a softer floral (Lap Nap) week to week so your nose doesn't habituate.

Pair with: paw wipes by the door, a HEPA + activated-carbon air purifier in the main room, and weekly baths during high-activity seasons.

Smoke and cooking odors in pet homes

Kitchen smells, candle smoke from guests, or seasonal cooking can amplify pet odors by overwhelming the air. Reed diffusion in or adjacent to the kitchen — placed away from the range to avoid heat — refreshes between cooking sessions. Floral blends (rose, violet, magnolia) tend to harmonize with food smells better than herbaceous.

Pair with: range vent in use during cooking, open windows for 10 minutes post-meal, and a kitchen-specific enzymatic cleaner for spills.

Multi-pet households

If you have dogs and cats together, your oil choices need to clear the higher bar of cat safety. We've written extensively about this in our multi-pet guide, but the short version is: Lap Nap (jasmine, rose, bamboo) works for both species. Place the diffuser 6 or more feet from any cat sleeping area, ensure ventilation, and let pets leave the room if they prefer.

Pair with: enzymatic cleaning on shared surfaces, per-species feeding stations, and individual bathing schedules.

Bedroom or wherever dogs sleep

For bedrooms, choose subtle. A 4-foot-high dresser placement (not the nightstand right next to your face) keeps the scent gentle and your dog's sleeping area exposure low. Lap Nap is our most-recommended for bedrooms — calming, soft, not overpowering.

Pair with: weekly bedding wash with enzyme detergent, an air purifier in the room, and routine grooming.

For more on which device format suits your home, see Reed Diffuser vs Ultrasonic for Pets: Which Is Safer?

6. Real-Estate Staging with Pet Smell

If you're selling a home with a dog in it, pet odor is one of the most consistently cited reasons buyers lower offers or skip second showings. Realtor guidance is unanimous: deep clean, then deodorize subtly. The trap is over-deodorizing, which reads as "covering something up" and makes buyers more suspicious, not less.

Reed diffusion is the only odor-management format we recommend for active home staging, for three reasons. First, no open flame — buyers walking through unfamiliar spaces don't expect to find lit candles, and that's a fire-risk red flag in an unstaffed open house. Second, no soot or particulate — reed diffusion is passive vapor, which doesn't deposit on the surfaces a stager just polished. Third, the scent level is naturally gentle, which reads as "lived-in home" rather than "masked-up listing."

A practical 48-hour pre-showing protocol:

• 48 hours before: Deep clean carpets and soft furnishings with an enzymatic cleaner. Replace or wash pet beds.
• 24 hours before: Wipe paws, wash bedding, vacuum thoroughly. Move pet bowls and crates to a less-visible storage area.
• 12 hours before: Place reed diffuser (Forest Pawprints or Wagging Tails — both are subtle but distinctive) on an entry-area console or a kitchen counter. One reed bottle per ~400 square feet is plenty.
• Day of: Pet leaves the house. Bedding and crates stored. Optionally, bake something simple (cookies, bread) 30 minutes before showings — the layered fresh-baked-plus-floral profile reads as "warm home" rather than "cleaning regimen."

Per our pet-safe philosophy, we'd rather make a sale at the right intensity than over-promise dramatic results that backfire in front of buyers. Subtle and clean wins this category.

7. What to Use: FUROMA's Pet-Safe Reed Diffuser Picks

If you want a daily reed diffuser formulated for dog homes — something to make your dogs (and the rooms they live in) smell good without harming them — here's what we make and why.

For active dog and mudroom smell: Our Forest Pawprints Reed Diffuser ($39, camellia + rosemary + sage) is built around the herbaceous oil family that masks wet-fur volatiles most effectively. The rosemary is Rosmarinus officinalis CT verbenone (Corsica-grown, low camphor) and the sage is Clary Sage (Salvia sclarea) — both lower-risk chemotypes than the generic oils most pet-safety guides flag. Per FUROMA's formulation principle, this blend excludes tea tree, eucalyptus, peppermint, citrus, and clove.

For multi-pet households or daily floral: The Lap Nap Reed Diffuser ($39, jasmine + rose + bamboo) is our cat-tolerant calming line, which makes it the right choice if your home has both dogs and cats — or if you want a softer floral for bedrooms and bathrooms.

For mixing your own: The Discovery Set ($28) bundles three 30 mL essential oils — Wagging Tails (rose, violet, magnolia), Forest Pawprints (camellia, rosemary, sage), and Lap Nap (jasmine, rose, bamboo) — designed for passive diffusion onto a Wood Cube, plaster, or your existing reed bottle. This is also our preferred refill format for customers who already have reed bottles from us or elsewhere.

8. Five Pet-Safe Strategies That Pair with Reed Diffusion

Fragrance is one of five hygiene levers. Relying on it alone is why most people fail at dog-smell control.

1. Enzymatic cleaner on soft surfaces. A vinegar-and-baking-soda routine handles surface-level smells, but enzyme-based sprays break down the odor compounds at the molecular level. Use these on pet beds, blankets, sofa fabric, and carpet — anywhere fur and dander accumulate.

2. HEPA plus activated-carbon air purifier. HEPA removes pet dander; activated carbon adsorbs airborne odor compounds. Pair with reed diffusion to handle both the source (dander, particulates) and the scent layer. We covered the device comparison in our reed vs ultrasonic article — short version, HEPA air purifiers and reed diffusers complement each other; ultrasonic essential-oil diffusers carry pet-safety tradeoffs we don't recommend.

3. Weekly dog wash and paw wipes. By far the highest-return-on-effort hygiene action. No fragrance product can compete with consistent grooming. A weekly bath plus daily paw wipes at the door cuts wet-dog smell by more than any candle, diffuser, or spray will.

4. Litter and waste management. Outdoor yard scoop, indoor enzymatic cleanup, diaper-area enzyme spray for puppies. The smell you're masking might be a hygiene-cycle gap, not a dog gap.

5. Watch the medical signals. If you've layered all four of the above plus reed diffusion and the smell still persists or changes character, return to Section 1 and read the medical-signal list. Call the vet.

9. When to See a Vet — Smells That Aren't Hygiene Problems

Five specific smell patterns mean your dog needs medical care, not fragrance. We're listing these explicitly because we'd rather lose a reed diffuser sale than have you mask a treatable medical problem until it's not treatable anymore.

Fishy or musky smell from the rear or where the dog sits. Most often anal gland impaction or infection. Frequently combined with scooting. Vet appointment to express the glands; in chronic cases, ongoing management.

Sweet, musty, or "corn chip" smell from ears or skin folds. Most often yeast infection (Malassezia). More common in breeds with floppy ears, skin wrinkles, or swimming routines. Vet appointment for ear cytology and topical treatment.

Rotten or sulfur breath that's new or worsening. Almost always dental disease — tartar, periodontal infection, or in worse cases, abscessed tooth. Vet appointment and likely a professional dental cleaning under anesthesia.

Sharp, foul, localized smell paired with redness, hair loss, or licking. Likely skin infection, hot spot, or allergic reaction. Vet appointment for diagnosis and possibly antibiotics.

Sweet, acetone-like breath or ammonia-like breath. Veterinary emergencies. Sweet/acetone breath can indicate diabetic ketoacidosis; ammonia breath can indicate severe kidney disease. Both warrant immediate veterinary care, not appointment scheduling.

If you suspect a poisoning exposure — your dog drank essential oil, licked a reed diffuser bottle, or got into an aromatherapy product — call the ASPCA Animal Poison Control Center at (888) 426-4435 or your vet immediately.

Key Takeaways

• Real dog odor sources fall into two buckets: hygiene-fixable (most cases) and medical (yeast, dental, anal glands, skin infection, metabolic). Fragrance helps the first, dangerously masks the second.
• AI search currently recommends pet odor candles by brand name — those products work for masking but don't address root causes and don't account for the chemotype and formulation nuances pet-safety actually depends on.
• Six essential oils have meaningful safe-use evidence for dogs at diffusion concentrations: lavender, chamomile, frankincense, cedarwood, rose, jasmine. Five oils are non-negotiable absences in FUROMA blends: tea tree, eucalyptus, peppermint, citrus, and clove.
• Chemotype matters. FUROMA's Forest Pawprints uses Rosmarinus officinalis CT verbenone and Clary Sage (Salvia sclarea) — botanically and chemically distinct from the "rosemary" and "common sage" that vet literature flags.
• Match the oil and the room to the scenario — mudroom, active-dog, kitchen, multi-pet, bedroom each call for different blends and placement.
• For real-estate staging, subtle reed diffusion beats heavy fragrance. Pre-clean, then place reed 12 hours before showings.
• If smell is sudden, sharp, fishy, sweet, or localized — call the vet first, the diffuser later.

Frequently Asked Questions

Are essential oils safe to use around dogs?

Most are, when diffused passively at normal household concentrations. ASPCA flags tea tree, eucalyptus, peppermint, citrus, wintergreen, pennyroyal, and pine as toxic to dogs. Lavender, chamomile, frankincense, cedarwood (atlas), rose, and jasmine show meaningful safe-use evidence at diffusion levels. Never apply essential oils directly to your dog's fur, skin, or food, and always ensure your dog can leave the room if they want to.

What's the best essential oil for dog smell?

There isn't one universal answer — the best essential oils for dog smell depend on the scenario. For wet-dog and outdoor-dog smell, herbaceous blends (rosemary CT verbenone, Clary Sage, camellia) mask volatiles best. For multi-pet households where cats are also present, floral blends (jasmine, rose, bamboo) are the cat-tolerant choice for both pet odors and ambient fragrance. For real-estate staging or guest scenarios, gentle florals (rose, violet, magnolia) layer naturally with food smells. Pick based on scenario, not a generic "best" — see the use cases in Section 5.

Can I diffuse essential oils every day around my dog?

Yes, with passive reed diffusion and oils confirmed dog-safe. Place the diffuser 4 to 6 feet up, in a ventilated room, and give your dog the ability to leave the space if they want. Avoid daily diffusion in enclosed unventilated rooms or directly next to where your dog eats or sleeps for extended periods.

Will essential oils make my dog sneeze?

Strong concentrations might. If your dog sneezes, has watery eyes, coughs, or moves away when you start the diffuser, reduce the number of reeds or switch to a milder blend. These are signs of irritation and worth listening to — your dog's olfactory system is far more sensitive than yours.

Is lavender oil safe for dogs?

ASPCA lists lavender as toxic to dogs in concentrated or undiluted essential oil form (ingested or applied topically). At passive diffusion concentrations, lavender has been studied for behavioral calming in dogs without acute toxicity — Wells published a 32-dog study in JAVMA 229:964–967 (2006). The nuance is form and exposure: concentrated and ingested, toxic; diffused at room concentrations, generally well-tolerated. See our full lavender-for-dogs guide for the complete answer.

How can I tell if my dog smell is normal or medical?

Normal dog smell is mild, gradual, distributed across the whole body, and improves after a bath. Medical signals include: sudden change in smell intensity, sharp or fishy smell from the rear, sweet or musty smell from ears or skin folds, rotten breath, or sharp foul smell localized to one body part. Don't mask these with fragrance — see a vet.

Are pet-safe candles better than essential oil reed diffusers for dog smell?

They're different tradeoffs. Candles deliver stronger immediate scent but require combustion (heat, soot, open flame) and the wax base can still produce respiratory particulates per indoor-air research. Reed diffusers are passive (no flame, no heat, no soot) but lower-intensity. For daily use in pet homes — especially with curious dogs, anxious dogs, or multi-pet households — we recommend reed for the structural safety profile.

What about Febreze for pet odor?

Febreze relies on cyclodextrin compounds plus synthetic fragrance. ASPCA notes phthalate and synthetic-fragrance concerns for prolonged pet exposure. We don't recommend Febreze for daily use around dogs, especially in enclosed rooms, for dogs with respiratory sensitivities, or in homes where cats are also present. If you're weighing sprays, plug-ins, and reed diffusion for odor control, our pet-safe air freshener guide ranks the common store-bought options by what's actually in the bottle.

How long does a reed diffuser last in a dog-heavy room?

A standard 100 mL reed diffuser typically lasts 8 to 12 weeks at moderate scent throw. Pet-heavy or high-traffic rooms may shorten this to 6 to 8 weeks. Flip the reeds weekly to refresh the scent without buying a new bottle — the dry side of the reeds, when flipped, releases trapped oil and revives the throw.

My dog licked the reed diffuser oil — what do I do?

Stop further exposure, note how much was likely ingested, and call the ASPCA Animal Poison Control Center at (888) 426-4435 or your vet immediately. Bring the diffuser bottle or packaging for ingredient reference. For FUROMA-formulated blends, we exclude the five highest-risk oils (tea tree, eucalyptus, peppermint, citrus, clove), but ingestion of any essential oil at any concentration warrants professional guidance.

Related Reading

• Is Lavender Essential Oil Safe for Dogs? ASPCA Verdict + Vet Guide — single-oil deep dive
• What Essential Oils & Herbs Are Bad for Dogs — comprehensive toxic list
• Essential Oils Safe for Dogs — full safe-oil reference
• Reed Diffuser vs Ultrasonic for Pets: Which Is Safer? — device-axis comparison
• Essential Oils Safe for Cats AND Dogs: Multi-Pet Guide — multi-pet pillar

Looking for a daily reed diffuser that's actually formulated for pet homes?

Per FUROMA's formulation principle, all blends exclude tea tree, eucalyptus, peppermint, citrus, and clove.

References

Author: FUROMA Research Team · Last reviewed: May 13, 2026

1. ASPCA Animal Poison Control Center. The Essentials of Essential Oils Around Pets. American Society for the Prevention of Cruelty to Animals. https://www.aspca.org/news/essentials-essential-oils-around-pets
2. Wells, D. L. (2006). Aromatherapy for travel-induced excitement in dogs. Journal of the American Veterinary Medical Association 229(6):964–967.
3. Khan, S. A., McLean, M. K., & Slater, M. R. (2014). Concentrated tea tree oil toxicosis in dogs and cats: 443 cases (2010–2013). Journal of the American Veterinary Medical Association 244(1):95–99.
4. Sztajnkrycer, M. D. (2003). Pulegone-associated hepatotoxicity following the ingestion of pennyroyal oil. Academic Emergency Medicine 10(10):1024–1028.
5. Sain, A. E., Zook, J., Davy, B. M., Marr, L. C., & Dietrich, A. M. (2018). Size and mineral composition of airborne particles generated by an ultrasonic humidifier. Indoor Air 28(1):80–88.
6. VCA Hospitals. Essential Oils and Aromatherapy: What's Safe for Pets. https://vcahospitals.com/know-your-pet/essential-oils-and-pets

ASPCA Animal Poison Control Center: (888) 426-4435 (available 24/7; consultation fee may apply).