Compositions useful in liquid-liquid extraction processes for improving the taste of water-soluble surfactants, said composition comprising: from about 5% to about 60%, by weight of the composition, of water soluble surfactant； from about 10% to about 90%, by weight of the composition, of water； from about 10% to about 90%, by weight of the composition, of extraction solvent； at least 0.01%, by weight of the composition, of undesirable non-polar materials； wherein the extraction solvent is selected from solvents having individual Hansen solubility parameters of a dispersion force component (&delta；D) ranging from about 15 to about 17 (MPa)0.5, a polar component (&delta；P) ranging from 0 to about 9 (MPa)0.5 and a hydrogen bonding component (&delta；H) ranging from 0 to about 11 (MPa)0.5.水溶性界面活性剤の味を改善する液液抽出プロセスに有用な組成物であって、前記組成物が、組成物の約５重量％～約６０重量％の水溶性界面活性剤；組成物の約１０重量％～約９０重量％の水；組成物の約１０重量％～約９０重量％の抽出溶媒；組成物の少なくとも０．０１重量％の望ましくない非極性材料を含有し；抽出溶媒が、約１５～約１７（ＭＰａ）０．５の範囲の分散力成分（δＤ）、０～約９（ＭＰａ）０．５の範囲の極性成分（δＰ）、０～約１１（ＭＰａ）０．５の範囲の水素結合成分（δＨ）の、個々のハンセン溶解度パラメーターを有する溶媒から選択される。
