Cov tawv nqaij zoo nkauj thiab kev saib xyuas

Cov tawv nqaij yog lub cev nrog qhov ntev tshaj plaws raug rau sab nraud ib puag ncig thiab nrog thaj chaw loj tshaj plaws ncaj qha rau huab cua.Nws kuj yog ib qho ntawm cov kabmob uas muaj qhov loj tshaj plaws ncaj qha rau PM2.5 thiab thawj qhov thaiv kev tiv thaiv ntawm tib neeg lub cev.PM2.5 nyob rau hauv huab cua muaj kev cuam tshuam loj tshaj plaws ntawm daim tawv nqaij, tshwj xeeb tshaj yog cov tawv nqaij ntawm lub ntsej muag.

Muaj ntau tshaj 20,000 pores nyob rau hauv tib neeg lub ntsej muag ntawm daim tawv nqaij, nrog ib txoj kab uas hla ntawm 20-50 microns, cov pores no yog cov channel rau cov roj secreted los ntawm sebaceous qog ntws mus rau ntawm daim tawv nqaij;Thaum lub cheeb ntawm PM2.5 hais nyob rau hauv cov huab cua yog tsawg tshaj li 2.5 microns, uas yog ntau me dua li lub cheeb ntawm pores, yog li cov zoo hais tuaj yeem nkag mus rau hauv lub pores, cov hauv paus plaub hau thiab qog sebaceous.

Cov kev tshawb fawb tau pom tias cov khoom hauv cov huab cua tuaj yeem ua rau kom muaj sebum secretion, ua rau pob txuv, blackheads thiab lwm yam teeb meem ntawm daim tawv nqaij.

Qhov siab dua qib ntawm cov khoom hauv ib tus neeg microenvironment, qhov siab dua qib sebum thiab qhov yooj yim ntawm daim tawv nqaij cov roj thiab dej sib npaug yog cuam tshuam.