Turns out that cats are drawn to earwax. ... Earwax contains dead skin cells, fatty acids, and small amounts of cholesterol. These are proteins and the scent of earwax draws cats and some dogs to want to eat. Cats, specifically, are attuned to the scent of animal proteins.

Why is my cat obsessed with my ears?

Cats, specifically, are attuned to the scent of animal proteins. So, it seems that subconsciously cats are drawn to licking earwax in each other's ears, and from a few posts, their owner's dirty q-tips because the olfactory (scent) and brain receptors seek items of nutritional value.

Should cats have ear wax?

As with humans, it's completely normal for a small amount of earwax to form in your cat's ears. However, excessive wax buildup can occur if your kitty has allergies, a bacterial infection, systemic inflammation, ear mites, or a yeast infection. A cat's brown earwax often resembles dirt or dried blood inside the ears.