Is Cats Safe?
Essential Oils and Cats: What's Safe?
Search any essential or carrier oil for a clear verdict for cats. The short version: cats and concentrated essential oils don't mix. Cats lack the liver enzyme (UGT1A6) needed to break down the phenols and monoterpenes in essential oils, so the compounds build up — and because cats groom, oil on fur or in the air becomes a swallowed dose. Use the checker for any specific oil.
20 toxic to cats 15 caution 35 oils listed
| Name | Scientific name | Cats |
|---|---|---|
| Bergamot Oilalso: bergamot, bergamot essential oil, bergamot orange oil | Citrus bergamia | Toxic |
| Cedarwood Oilalso: cedarwood, cedar oil, cedarwood essential oil | Cedrus / Juniperus | Caution |
| Chamomile Oilalso: chamomile, roman chamomile oil, chamomile essential oil | Anthemis nobilis | Caution |
| Cinnamon Oilalso: cinnamon, cassia oil, cinnamon bark oil, cinnamon essential oil | Cinnamomum | Toxic |
| Citronella Oilalso: citronella, citronella essential oil | Cymbopogon nardus | Toxic |
| Citrus Oil (d-limonene)also: citrus oil, d-limonene, limonene, citrus essential oil | Toxic | |
| Clary Sage Oilalso: clary sage, sage oil, clary sage essential oil | Salvia sclarea | Caution |
| Clove Oilalso: clove, clove essential oil, eugenol oil | Syzygium aromaticum | Toxic |
| Coconut Oilalso: coconut, coconut oil, mct oil | Cocos nucifera | Caution |
| Eucalyptus Oilalso: eucalyptus, eucalyptus essential oil | Eucalyptus | Toxic |
| Fish Oilalso: fish oil, omega 3 oil, salmon oil, epa dha oil | Caution | |
| Frankincense Oilalso: frankincense, boswellia oil, frankincense essential oil | Boswellia | Caution |
| Geranium Oilalso: geranium, scented geranium oil, pelargonium oil, geranium essential oil | Pelargonium | Toxic |
| Jasmine Oilalso: jasmine, jasmine essential oil, jasmine absolute | Jasminum | Caution |
| Jojoba Oilalso: jojoba, jojoba oil | Simmondsia chinensis | Caution |
| Lavender Oilalso: lavender, lavender essential oil, lavandula oil | Lavandula | Toxic |
| Lemon Oilalso: lemon essential oil, lemon oil | Citrus limon | Toxic |
| Lemongrass Oilalso: lemongrass, lemon grass oil, lemongrass essential oil | Cymbopogon citratus | Toxic |
| Neem Oilalso: neem, neem oil, margosa oil | Azadirachta indica | Caution |
| Olive Oilalso: olive, olive oil, extra virgin olive oil | Olea europaea | Caution |
| Oregano Oilalso: oregano, oregano essential oil, oil of oregano | Origanum vulgare | Toxic |
| Patchouli Oilalso: patchouli, patchouli essential oil | Pogostemon cablin | Caution |
| Pennyroyal Oilalso: pennyroyal, pennyroyal essential oil | Mentha pulegium | Toxic |
| Peppermint Oilalso: peppermint, peppermint essential oil, mentha piperita oil | Mentha × piperita | Toxic |
| Pine Oilalso: pine, pine essential oil | Pinus | Toxic |
| Rose Oilalso: rose essential oil, rose otto, rose absolute | Rosa | Caution |
| Rosemary Oilalso: rosemary essential oil, rosemary oil | Salvia rosmarinus | Caution |
| Sandalwood Oilalso: sandalwood, sandalwood essential oil | Santalum | Caution |
| Spearmint Oilalso: spearmint, garden mint oil, spearmint essential oil | Mentha spicata | Toxic |
| Sweet Almond Oilalso: almond oil, sweet almond oil | Prunus dulcis | Caution |
| Sweet Orange Oilalso: orange oil, sweet orange essential oil, wild orange oil | Citrus sinensis | Toxic |
| Tea Tree Oil (Melaleuca)also: tea tree, melaleuca, tea tree essential oil, melaleuca oil | Melaleuca alternifolia | Toxic |
| Thyme Oilalso: thyme, thyme essential oil | Thymus vulgaris | Toxic |
| Wintergreen Oilalso: wintergreen, methyl salicylate oil, wintergreen essential oil, birch oil | Gaultheria procumbens | Toxic |
| Ylang-Ylang Oilalso: ylang ylang, ylang-ylang, cananga oil, ylang ylang essential oil | Cananga odorata | Toxic |
Why essential oils are riskier for cats than for you or your dog
Cats can't efficiently glucuronidate the aromatic compounds in essential oils — a metabolic gap (the UGT1A6 enzyme) that humans and dogs don't share. The compounds accumulate and can cause liver injury, nervous-system effects and red-blood-cell damage. Exposure isn't only about swallowing: an oil that lands on a cat's coat from your skin or an active (ultrasonic) diffuser is groomed off and ingested, and thin feline skin absorbs it readily. There is essentially no essential oil that is safe to apply to a cat, and most are unsafe to diffuse around one.
Are diffusers safe for cats?
Active / nebulizing diffusers (ultrasonic, water or waterless) spray micro-droplets of oil that settle on fur and surfaces — the highest-risk form, because it becomes a skin + grooming exposure, not just inhalation. Passive diffusers (reed sticks, evaporative) mainly pose a respiratory-irritation risk, which still matters for cats with asthma. Safest with a cat in the home: don't run oil diffusers at all, especially of tea tree, peppermint, eucalyptus, citrus, pine, wintergreen, pennyroyal, clove, cinnamon, oregano or thyme.
How to read these verdicts
- Toxic — reported to cause real harm to cats; keep out of the home or securely stored, never apply or diffuse.
- Caution — concentrated essential oils with thin cat-specific data (avoid to be safe), or non-essential carrier/edible oils (coconut, olive, jojoba, almond, fish oil) that aren't poisonous but carry GI/pancreatitis or other risks.
Verdicts are cross-checked against Pet Poison Helpline, the ASPCA, VCA Hospitals and the Merck Veterinary Manual, and each entry links to its source.
Frequently asked questions
Are any essential oils safe to diffuse around cats?
The safest choice is none. Veterinary sources (ASPCA, Pet Poison Helpline, VCA, Merck) advise keeping concentrated essential oils out of a home with cats. If you must diffuse, use a passive (reed) diffuser of a lower-risk oil briefly, in a ventilated room your cat can leave, and never an active/ultrasonic diffuser. Cats with asthma should have no oil diffusion at all.
Is lavender or peppermint oil safe for cats?
No. Both lavender oil and peppermint oil are toxic to cats — they contain compounds (linalool; menthol/monoterpenes) that cats can't metabolise well. The dried plant or a faint scent is far less concentrated than the essential oil, but the oils themselves should be kept away from cats.
What about coconut or olive oil — those aren't essential oils?
Correct — coconut, olive, jojoba and sweet almond are carrier/edible oils, not essential oils, and they're not poisonous to cats. The concern is the fat load: even small amounts can cause stomach upset, and excess risks pancreatitis. They're rated Caution, not Toxic.
My cat got essential oil on their fur or paws — what do I do?
Don't induce vomiting. Wash the oil off the fur/skin with liquid dish soap, keep the product packaging, and call your veterinarian or a 24/7 line right away: Pet Poison Helpline (855-764-7661) or ASPCA Animal Poison Control (888-426-4435).