A dustit seems to be always multiplying inside the house and, despite a good cleaning, it is capable of reappearing in a short time. Therefore, one of the many theories about its existence is that it is composed mainly of dead skin - or that is, our epithelial cells that have completed their life cycle and have been eliminated (shed) by the body.
So keep reading this article to find out if it's myth or fact that house dust is made of dead skin.
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Is house dust made from dead skin?
Although skin fragments are an essential component, they are not the only material contained in house dust. For example, in cities with high levels of pollution or heavy traffic, the concentration of soot in the dust tends to be higher than in rural areas. So, while it is true that house dust is made up of dead skin, this is not the only item present in it.
After all, what is house dust made of?
According to recent studies carried out in Canada, the composition of dust can vary according to the characteristics of the region where a house is built. In general, when analyzing a sample, the following elements can be found: mold; pollen; bacteria; virus; soot; dead skin cells; hair particle; ashes; insect parts; minerals.
In addition to the internal elements that “appear” inside the house, dust is composed of external elements. In these cases, they usually arrive by air or exclusively by shoes. In one study, 60% of the items in the dust sample collected came from indoors, meaning that most of the particles found were produced on site. The impact of dead human skin is unavoidable within this percentage.
This is mainly because an average adult loses around 500 million cells a day, including epithelial cells. 0.03 to 0.09 grams of skin are shed every hour. What causes this material to be trapped inside the house and build up, turning into the famous house dust.