Never use the hotel hair dryer unless you want to get sick.

Nobody wants to pack up unnecessary stuff when they go on vacation.

In addition to the proper amount of clothing and essential items, such as the toothbrush, the deorant, the money, and the mobile phone, other things can be left at home, the telegram broadcast.

After all, most hotels have gel, shampoo, clothing iron, and other things that enable us to have more space in our luggage.

One thing people rarely put in the vacation case is the hair dryer, but research shows that if you do, you may be making a serious mistake.

A 2008 study by microbiologist Chuck Gerba, an expert on germs, has revealed that the hotel's hair dryer should be avoided.

He had discovered that hotel hair dryers are among the dirtiest things in the room, and that's because hotel cleaners don't feel the need to clean it up like toilet or anything. So the next time you travel, consider taking your hair dryer with you.