Is the 'mud' rubbed out in the shower dirty? To clean up? How often do you rub? One article popular science

Northerners have a special liking for taking a bath. Rinse the body with water. In their opinion, the dirt cannot be completely washed away. Only by rubbing with a bath towel can the sludge attached to the body surface be thoroughly cleaned. clean.

　　However, many people have found that even if they take a bath every day, the body surface looks clean, but with a little bath towel, there will still be mud.

　　So the question is, what is the mud that is rubbed out of the body when you take a bath? Does it have to be clean?

　　Different regions have different names for the mud that has been rubbed off the body, and the northerners basically refer to them as "scarlet, ash".

　　But in fact, what the body rubs is not real mud, but a mixture of various substances, including epithelial keratin, oil, sweat and dust , etc. When they are mixed together, they become the so-called so-called cracked.

　　We all know that human skin is actually undergoing metabolism all the time . After the skin is metabolized, the outermost epidermis will wither and die, forming what we call "dead skin", which is attached to the skin.

At the same time, there are a large number of pores and oil glands　　on the surface of human skin , which continuously secrete sweat and oil . Under normal circumstances, part of sweat and oil will adhere to people's clothing, part of it will be mixed with dead skin , and the skin will also come into contact with the air every day.

　　Part of the dust and dust in the air also adheres to the skin, where it mixes with dead skin, sweat and oil to form what is called mud.

　　In the most common words, the substances rubbed off in the bath are actually the wastes produced by the metabolism of the skin. The more it enters the summer and the temperature is hotter, the more these attachments will be produced.

　　The reason why some people rub down black mud when taking a bath, and some white mud, is mainly related to the living environment and habits. White mud means that there is not much dead skin on the surface of the body and the skin is relatively clean. For example , people who take frequent baths, people who eat a relatively light and healthy diet, and people who live in areas with less dust are more likely to rub out white mud. More common.

　　On the contrary , if you live in a dusty environment for a long time , you will naturally rub out a lot of black mud, which is a sign of dirty skin. However, in most cases, unless you don't take a bath for a long time, you won't rub out a lot of black mud.

　　In this case, how often is it normal to take a shower?

　　First of all, for people with normal skin conditions, occasional rubbing can effectively promote blood circulation and remove the stratum corneum covering the skin surface. Especially for people with already oily skin, regular scrubbing can keep the skin dry and smooth.

　　However, don't ignore one point, the stratum corneum has a certain protective effect on the skin . If you scrub too often, it will reduce the skin's protective effect and accelerate the skin's moisture loss.

　　Therefore, from a scientific point of view, everyone should maintain the good habit of cleaning their bodies every day. As for taking a bath, it is enough to take a bath every 3-5 days . If it is already entering a relatively hot summer, it can be appropriate. On this basis, increase the number of rubbing baths.

　　However, if you already have skin diseases, you are not suitable for taking a bath. You can choose some gentle exfoliating methods, that is, use various exfoliating products. Compared with bath towels, it can reduce skin irritation and damage as much as possible.