兩(liang)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)表(biao)面(mian)(mian)活(huo)(huo)(huo)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)劑(ji)(ji)是(shi)兩(liang)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)離子(zi)，這意味著它(ta)們的(de)(de)(de)(de)(de)極性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)頭基團同時(shi)帶有(you)正電荷和負(fu)電荷，因(yin)此使(shi)總凈電荷為零(ling)。一(yi)般而(er)(er)言(yan)，兩(liang)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)表(biao)面(mian)(mian)活(huo)(huo)(huo)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)劑(ji)(ji)具有(you)低毒(du)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)，低眼(yan)睛和皮膚刺激性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)，對(dui)硬水的(de)(de)(de)(de)(de)耐受性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)，并具有(you)優異的(de)(de)(de)(de)(de)起泡(pao)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)和與(yu)其(qi)他(ta)表(biao)面(mian)(mian)活(huo)(huo)(huo)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)劑(ji)(ji)的(de)(de)(de)(de)(de)相容(rong)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)。由于(yu)兩(liang)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)表(biao)面(mian)(mian)活(huo)(huo)(huo)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)劑(ji)(ji)的(de)(de)(de)(de)(de)這種獨特(te)特(te)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)，它(ta)們的(de)(de)(de)(de)(de)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)能(neng)取決于(yu)最終(zhong)配(pei)方的(de)(de)(de)(de)(de)pH值-在(zai)酸(suan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)環境中(zhong)，兩(liang)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)離子(zi)具有(you)更多的(de)(de)(de)(de)(de)陽離子(zi)特(te)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)，而(er)(er)在(zai)堿(jian)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)環境中(zhong)，它(ta)們的(de)(de)(de)(de)(de)行為更像陰離子(zi)表(biao)面(mian)(mian)活(huo)(huo)(huo)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)劑(ji)(ji)。因(yin)為兩(liang)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)表(biao)面(mian)(mian)活(huo)(huo)(huo)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)劑(ji)(ji)的(de)(de)(de)(de)(de)結構是(shi)兩(liang)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)的(de)(de)(de)(de)(de)，所以(yi)這類分(fen)子(zi)與(yu)所有(you)其(qi)他(ta)類型的(de)(de)(de)(de)(de)表(biao)面(mian)(mian)活(huo)(huo)(huo)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)劑(ji)(ji)都(dou)是(shi)相容(rong)的(de)(de)(de)(de)(de)。