Citrus - Cats strongly dislike the scent of citrus fruits like lemons, limes, and oranges. The oils in these fruits can be toxic to them, making them instinctively avoid these smells.
Vinegar - The sharp, pungent smell of vinegar is off-putting to cats and can be used as a natural deterrent in areas you want to keep them away from.
Essential Oils - Many essential oils, including eucalyptus, peppermint, and tea tree oil, are toxic to cats and can cause distress or health issues, leading them to avoid these scents.
Bananas - The smell of ripe bananas, particularly the peels, is unappealing to cats due to compounds that can upset their stomachs.
Hot Peppers - The scent of spicy foods, especially those containing capsaicin, can cause a burning sensation, prompting cats to steer clear.
Onions and Garlic - Both are toxic to cats and their strong odors can signal danger, making them avoid these scents.
Household Cleaners - Many cleaning products, especially those with strong chemical odors, are disliked by cats.