Mapiritsi ochapira ali ndi zowonjezera, zomatira, zosokoneza, ndi zowonjezera zowonjezera. Amasungunuka akakhala ndi madzi ndipo amatha kugwiritsidwa ntchito okha kuyeretsa zovala. Dzina lonse la pepala loyamwa mitundu ndi pepala lochotsa utoto wochapira utoto. Ndi ulusi wosalukidwa womwe umathandizidwa ndi ma cation. Imatha kuyamwa utoto wa anionically charged womwe watsitsidwa pochapa. Amagwiritsidwa ntchito kwambiri pochiza matenda ophatikizika komanso alibe ntchito yoyeretsa. Iyenera kugwiritsidwa ntchito limodzi ndi detergent.