Do you have to throw away your underwear after three months? How do you clean yellowed underwear?

Underwear needs to be changed and washed frequently. Some people say that underwear should be changed every three months. In fact, there is no such set time. It depends on the newness of the underwear and how often you wear it.

Generally speaking, it is best to change underwear that is used frequently every six months. If the underwear is deformed, the material becomes dry and hard, or the stains on the underwear cannot be washed off, you should replace it with a new one in time. You don't need to judge whether to change underwear by time. You should look at the color or deformation of the underwear. If the underwear has no elasticity when worn, and the breathability has deteriorated, you should change the underwear.

It is best to use cotton underwear. Put it in hot water for a while, wait for 5 minutes, rub and wring it dry, then drop some special laundry detergent in warm water, rub and wring it dry, wash it several times with warm water, and of course, you can also use hot water for a while, and expose it to the sun. Underwear needs to be dried in a ventilated place first, and then don't let the sun down. The ultraviolet rays in the sun can sterilize and disinfect, and keep the underwear clean. If you are really embarrassed to let your underwear dry in the sun, you should use a clothes dryer to dry the underwear thoroughly. The underwear will be clean and fresh, and you will feel comfortable wearing it. In addition, if you want to wear comfortably, women are best to choose cotton underwear. If you expose it directly to the sun, it will become deformed and hard.

1. Wet the pants, then put the toothpaste you usually use, rub gently with your hands and leave it for a while, then wash with transparent soap. Finally, wash it several times with clean water.

2. Human sweat and secretions contain water-soluble and salt-soluble proteins. The yellow stuff is actually denatured salt-soluble protein. If you want to wash it clean, just add an appropriate amount of table salt or rinse with saline.

3. Underwear is cleaner when washed by hand, but the disadvantage is that the detergent is often not rinsed out completely and it is difficult to wring out completely after washing. If you really want to make it clean, you can boil it in water for 15 minutes.

Many people may be concerned about this issue. It is recommended that you do not need to pay attention to the time. You should pay more attention to whether your underwear has been deformed or lost its elasticity. If your underwear has lost its elasticity, or the original color can no longer be washed out, or its breathability is gone, it proves that it should be replaced. Having said that, you should understand that underwear is a kind of clothing that has a relatively large effect on the human body. It is worn close to the body and is close to "important parts". It is recommended that you must pay attention to it, choose pure cotton underwear, and wash and disinfect it on time. It is recommended to wash it once a day, or even twice a day. In addition, you should choose a suitable detergent for washing, preferably washing + disinfection, and then reasonably sun exposure. For underwear, if it has been deformed, please replace it as soon as possible. For your health, please don't save this. For your health, please treat your underwear scientifically.

Some people think that washing underwear is troublesome, so they like to wear disposable underwear and throw it away directly after wearing it. In fact, disposable underwear is more suitable for daily business trips and travel. It is very convenient and is not recommended to wear it every day. Disposable underwear has poor air permeability and moisture absorption. Wearing disposable underwear for a long time will easily breed bacteria. It is recommended that you wear normal cotton underwear for a long time.