Watsawa NNO-A wani anionic surfactant, sinadaran abun da ke ciki ne naphthalenesulfonate formaldehyde condensate, launin ruwan kasa foda, anion, sauƙi mai narkewa a cikin ruwa, resistant zuwa acid, alkali, zafi, wuya ruwa, da inorganic gishiri;yana da kyakkyawan rarrabuwa Kuma aikin colloid mai karewa, amma babu wani aiki na sama kamar kumfa osmotic, da kusanci ga furotin da fibers polyamide, amma babu alaƙa ga zaruruwa kamar auduga da lilin.