Yes, many essential oils are toxic to cats. While they can be beneficial for humans, cats process chemicals very differently. Their livers lack certain enzymes needed to break down compounds found in essential oils, which means toxins can build up quickly in their bodies.

How can cats be exposed?

Cats may come into contact with essential oils in several ways:

Skin contact

Never apply essential oils to your cat as they could:

• Develop skin irritation or chemical burns
• Lick the oil off their fur and ingest it

Ingestion

Cats groom themselves constantly, so if oil gets on their fur or paws, they will likely swallow it.

They may also:

• Drink from reed diffusers
• Knock over bottles
• Lick treated surfaces

Inhalation

Diffusers (reed, plug-in, ultrasonic, nebulised) release oils into the air.
While diluted oils pose lower risk, inhalation can still be harmful, especially for cats with respiratory conditions like asthma.

How to reduce the risk if you use essential oils

If you choose to use essential oils in your home, please take the following precautions:

• Store all oils securely out of reach
• Wash hands thoroughly after handling
• Never apply oils to your cat
• Avoid cleaning with undiluted oils
• Keep cats out of rooms where diffusers are in use
• Ensure rooms are well ventilated
• Avoid over-the-counter flea treatments containing essential oils
• Only use vet-prescribed flea products

Summary

What’s natural or relaxing for us isn’t necessarily safe for cats. Because cats metabolise these compounds poorly, even small exposures can be serious.

If you ever suspect exposure, seek veterinary advice immediately as early treatment makes a big difference.