Thawj kauj ruam hauv kev tu tawv nqaij kom zoo yuav tsum yog "kev tshem tawm pleev." Kev pleev nws tus kheej tsis tas yuav ua rau koj cov tawv nqaij tsis zoo; nws yog tsis tiav pleev tshem tawm uas ua!
Kev tshem tawm cov hom phiaj: sebum, roj, hws, thiab cov pa phem los ntawm huab cua, txhua tus ib txwm tso tawm thiab tawm los ntawm daim tawv nqaij.
Yog tias pleev nyob rau ntawm daim tawv nqaij ntev dhau lawm, nws tuaj yeem ua rau nqus tau thiab lom; cov as-ham hauv tshuaj pleev ib ce tuaj yeem dhau los ua chaw yug me nyuam rau cov kab mob thiab cov fungi; thiab pleev residue tshuav ntawm daim tawv nqaij saum npoo, yog tias tsis tshem tawm tam sim ntawd, tuaj yeem txhaws qhov pores thiab hws qog, cuam tshuam cov tawv nqaij ua pa thiab ua rau muaj kev pheej hmoo ntawm pob txuv. Kev tshawb fawb qhia tau hais tias lub sij hawm ntawm 10 teev tsaus ntuj txog 4 teev sawv ntxov yog lub sijhawm nquag tshaj plaws ntawm kev faib tawm ntawm cov cell epidermal. Tshem tawm cov pleev thaum lub sijhawm no tso cai rau cov tawv nqaij so kom txaus, tiv thaiv kev laus ntawm daim tawv nqaij.