As with citrus fruits, the acrid and sharp aroma of vinegar is far too harsh for most dogs. Unfortunately, vinegar is frequently used in cleaning, making it even more common for its acidic smell to cause dogs to recoil.
The fiery aroma of chili peppers can even be irritating to the noses of humans, so your dog definitely won’t be able to handle it. Other spicy ingredients are just the same, irritating your dogs’ nasal passages to great degrees
This all comes down to their heightened sense of smell, making these odors completely overpowering, potentially even causing them to sneeze or back away.
As with several smells on this list, the chemical stench of nail polish and acetone-based removers is unpleasant for everyone, let alone dogs. These strong fumes will undoubtedly make them leave the area quickly
Bleach’s harsh, chemical scent is something that most dogs avoid, and that’s quite understandable. Not only is the smell unpleasant, but it can also be harmful if inhaled in large quantities
Most humans can agree that the smell of freshly ground coffee is delightful–even if they don’t like the taste. Regardless, it can be completely overwhelming to dogs, as the concentrated aroma is simply too strong for their sensitive nose
The sharp, medicinal scent of eucalyptus is something dogs find deeply unpleasant, and worse still, it’s potentially toxic if ingested. Therefore, this means that their natural aversion is a protective response