Many essential oils, such as eucalyptus oil, tea tree oil, cinnamon, citrus, peppermint, pine, wintergreen, and ylang ylang are straight up toxic to pets. These are toxic whether they are applied to the skin, used in diffusers or licked up in the case of a spill.

What oils are not safe to diffuse around dogs?

Many essential oils, such as eucalyptus oil, tea tree oil, cinnamon, citrus, pennyroyal, peppermint, pine, sweet birch, wintergreen, and ylang ylang are toxic to pets. These are toxic whether they are applied to the skin OR used in diffusers.

What diffuser oils are safe for pets?

A few common essential oils that are SAFE to use for your cat include lavender, copaiba, helichrysum, and frankincense. If you diffuse oils in your home, it should not cause a problem for your cat, as oil used in a diffuser is highly diluted (versus direct topical application or dietary supplementation).