When to Replace Your Toothbrush, Bathroom Products

Experts say toothbrushes should be replaced every three to four months because of bacteria.
2:23 | 10/03/14

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Transcript for When to Replace Your Toothbrush, Bathroom Products
Uncovering the hidden dangers in your home. The germs that may be making you sick. And our ABC's Mara schiavocampo has more. Reporter: Germs. When it comes to the bathroom, they are ever where. You have your toilet and your sink right next to each other. It's kind of this perfect storm of bacteria just waiting to pounce on us. Reporter: And those bacteria can live on your toothbrush, mouthwash cup and razor. Experts say these items need to be cleaned or replaced more often than you might think. Toothbrushes may be one of the dirtiest. How dirty do the toothbrushes get? They are there to remove the plaque and the bacteria. Think about it, the dirty bacteria and possibly virus on the toothbrush. Reporter: And a cut in your mouth, a dirty toothbrush could make you sick. Sometimes back tear Yoo gets into that and gets infected. Reporter: Replace your toothbrush, including the head on an electric toothbrush every three to four months or it if it starts to look like this. It's no longer working. The bristles are frayed and fanned out. Reporter: What about the cup we use to rinse out our mouths? We brought one that's seen a lot of use. I don't want to touch this. This is gross. Not touching with without a glove. Reporter: Wash it after every use, and don't share it with other members of the family. Or use a disposalble one you can toss. Next up, your razor, if it's rusty get rid of it. This blade is ready to go a few shaves ago. It's overused. Reporter: As a rule of thumb, dermatologists say replace it aver seven shaves. And change the multi-use one after 20. The risk backs with breaks in the skin or unhealthy skin. Then the bacteria and germs have an opportunity to enter and cause a lot of problems. Reporter: Keeping germs out of your bathroom and away from you. For "Good morning America," shooe shomara schiavocampo, ABC news, new York. Great tips. Slightly disturbing. But great tips.

This transcript has been automatically generated and may not be 100% accurate.

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