Yes, you should probably clean inside your belly button!

Its easy to think of bathing as almost instinctualsomething weve always known how to do effectively.

Skynesher/Getty Images

What Is the Grandmother Hypothesis?

clean-skin-GettyImages-1434925773

Skynesher/Getty Images

The Study Findings: Does the Grandmother Hypothesis Hold Water?

The buildup of skin debris can become an inflammatory skin condition known as seborrheic dermatitis, she explains.

This is the skin counterpart to dandruff on the scalp.

Lastly, theres the odor.

You have sweat glands behind your ears, so sweat is produced, says Dr. Purdy.

Sweat, when exposed to bacteria, can start to smell over time.

Washing behind the ears should be no different than washing the rest of your body, Dr. Tull says.

Use whatever jot down of soap your skin is used to.

If you use a washcloth elsewhere, use it here, too.

I personally just use soap and the friction of my fingers to wash my entire face and body.

It could also lead to nail fungus, she adds.

Your feet may be itchy, peeling, scaly, and your skin may develop a rash or crack.

Washing between your toes is also pretty straightforward.

Also, remember to change your socks, she says.