what is the best natural barrier against germs?
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Natural barriers include the skin, mucous membranes, tears, earwax, mucus, and stomach acid. Also, the normal flow of urine washes out microorganisms that enter the urinary tract. The immune system uses white blood cells and antibodies to identify and eliminate organisms that get through the body's natural barriers.
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Hi, so the answer of your question is soap because if you use sanitizer it will harm your skin as it made of alcohol.
I hope this might be helpful for you .
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