Cleaning experts and dermatologists share their thoughts and some of their answers may surprise you.

The average American household does about300 loads of laundry a year.

And dont get us startedon dryer sheets.

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Cleaning experts and dermatologists share their thoughts — and some of their answers may surprise you.

Joshua Zeichner, associate professor of dermatology at Mount Sinai Hospital inNew YorkCity, told HuffPost.

As the soiled garment sits, it gives microorganisms time to grow and multiply.

These microorganisms can grow on the garment and be transferred back to your body if you wear it again.

basket full of laundry

One example: Rewearing sweaty socks can cause athletes foot or worsen an existing case, Zeichner said.

But some articles of clothing dont need to be laundered as often as others.

Intimates that are exposed to heavy sweat or potential body soils should be washed daily.

clothes hanging on a clothesline

That includes things like underwear, socks, undershirts and workout clothes, Forte said.

Especially if theyve been worn for a short period of time without any sweating or soil.

Jeans can also be worn at least a few times before washing.

In fact, Theyll last longer and generally look better when softened up with wear, Rapinchuk said.

And someexperts sayyou can wait10 wears or morebetween washes.

The same goes for the dressier pieces in your closet that you may only wear occasionally.

They can often be worn multiple times before cleaning, especially if they are not heavily soiled or stained.

Here are some expert-backed tips and tricks to keep in mind.

Between wears, dont just tuck the garment away in a drawer or the back of your closet.

Hang it somewhere more open or even outdoors, if you have the space to do so.

Give it 15 minutes or so to tumble and hang it back up to wear again!

For denim that needs a refresh, some people swear by sticking theirjeans in the freezer overnight.