How often do you your towels? Whatever it is, it's not enough. As it turns out, we're supposed to wash our bathroom towels every two to three days.

conducted a poll on our laundry habits in 2018.

Of those polled, 50% said they use their bath towel at least five times before washing it. Their philosophy: "I'm clean when I use it."

If you fall into this category — or are in the 14% of people who only wash their towels after eight uses — here's what you need to know.

Dr. Charles Gerba, a microbiologist, told : "After about two days, if you dry your face on a hand towel, you're probably getting more E. coli on your face than if you stuck your head in a toilet and flushed it."

While Gerba recommends washing your bathroom towels every two to three days, the suggests after three or four uses.

As points out, towels provide a moist, dark and damp environment, which makes it ideal for growing bacteria.