Ubuhle besikhumba kunye nenkathalo

Ulusu lilungu lelona lungu lide kakhulu kwindawo yangaphandle kunye neyona ndawo inkulu ibonakaliswe ngqo emoyeni.Ikwangomnye wamalungu anokuvezwa ngokuthe ngqo kwi-PM2.5 kunye nomqobo wokuqala wokuzikhusela womzimba womntu.I-PM2.5 emoyeni inempembelelo enkulu eluswini, ngakumbi ulusu lobuso.

Kukho ngaphezu kwama-20,000 ama-pores kwisikhumba sobuso bomntu, kunye nobubanzi obumalunga ne-20-50 microns, ezi zibonda ziyi-channel ye-oyile efihliweyo ngamadlala e-sebaceous ukuba ageleze kumphezulu wolusu;ngelixa i-diameter ye-PM2.5 particles emoyeni ingaphantsi kwe-2.5 microns, encinci kakhulu kunobubanzi be-pores, ngoko ke iincinci ezintle zingangena kwiipores, iifollic zeenwele kunye ne-sebaceous glands kakuhle.

Uphononongo lubonise ukuba amasuntswana omoya anokunyusa ukukhutshwa kwe-sebum, okukhokelela kwi-acne, i-blackheads kunye nezinye iingxaki zesikhumba.

Ukuphakama kwenqanaba leengqungquthela kwi-microenvironment nganye, iphezulu inqanaba le-sebum kwaye kulula ngakumbi i-oyile kunye nokulinganisela kwamanzi kwesikhumba kuphazamiseka.