So, you started using essential oils, and you can’t get enough of them. But for some reason, your cat seems to be keeping its distance, staring straight at you from afar, even creepier than usual. It’s possible that your cat just enjoys doing this to freak you out, but it’s more likely that your cat does not like the smell of those essential oils! This brings us to the question, “what are the best and worst essential oils to use around cats?” Using Essential Oils Around Cats It’s important to understand that there is a raging debate about the use of essential oils around pets. GuruNanda doesn’t recommend applying any of these oils directly to the skin or fur of your cat. Be sure to consult your Veterinarian and/or a clinical aromatherapist specializing in animals for advice on topical usage. Many cat lovers have asked,