Kev txheeb xyuas kom raug yog thawj kauj ruam hauv kev tu tsev so cov ntaub pua tsev; lawv yuav tsum tsis txhob tsuas yog muab sib xyaw ua ke rau kev ntxuav. Cov phuam da dej, phuam da dej, phuam ntxhua khaub ncaws, da dej mats, thiab da dej da dej yuav tsum tau muab sib cais raws li lawv qhov kev npaj siv, xim, thiab qib av. Cov ntaub pua tsev siv yuav tsum tau thauj tam sim ntawd mus rau qhov chaw ntxhua khaub ncaws thiab muab cais los ntawm cov huv huv. Cov ntaub pua tsev uas pom cov stains yuav tsum tau kuaj xyuas thiab ua ntej -kev kho mob ua ntej nkag mus rau lub voj voog ntxuav. Ua ntej ntxuav, txhua yam khib nyiab yuav tsum tau muab tshem tawm ntawm cov ntaub pua tsev kom tiv thaiv cov khoom txawv teb chaws los ntawm kev puas tsuaj rau cov khoom ntxhua khaub ncaws. Kev txheeb xyuas tau zoo txo qis cov xim los ntshav thiab hla - paug, thaum tseem tso cai rau lub tsev so xaiv qhov kev pab cuam ntxuav kom tsim nyog rau ntau hom ntaub.
Detergents, dej kub, thiab lub sij hawm ntxuav yuav tsum tau xaiv raws li cov ntaub ntawv thiab qhov hnyav ntawm cov av. Txawm hais tias cov phuam da dej ntshiab thiab cov phuam da dej yog qhov ruaj khov, kev siv cov tshuaj detergents ntev ntev los yog kub dhau heev tuaj yeem ua rau cov fibers puas, ua rau cov ntaub tawv tawv, plam lint, thiab poob absorbency. Cov txheej txheem stains tuaj yeem hais txog kev ntub dej los yog ua ntej - lub voj voog ntxuav ua ntej lub ntsiab ntxuav, qhov tawv nqaij stains - xws li roj lossis tshuaj pleev ib ce - xav tau kev kho ua ntej -. Tom qab ntxuav, yaug kom huv si yog qhov tseem ceeb kom txo qis cov tshuaj detergent, tom qab ntawd tshem tawm thiab ziab. Thaum lub sij hawm ziab, ib qho yuav tsum tsis txhob cia siab rau qhov kub thiab txias lub sij hawm ntev, vim qhov no tuaj yeem ua kom cov fiber ntau aging thiab ua rau shrinkage. Rau cov tsev so, kev siv qhov kub thiab txias thiab kev ziab kom qhuav yog qhov tseem ceeb tshaj qhov tsuas yog ua kom huv si.