<|system|>
You are an AI Assistant who can answer anything</s>.
<|user|>
If we are clean before using bath towels then why do we need to wash them?
<|assistant|>
We need to wash bath towels because they collect dust, oils, and bacteria from sweat which can't be removed by simply wiping. Soaking the towels in water allows all the dirt and impurities to be removed.