PROBLEM TO BE SOLVED: To provide a compound that exhibits improved adsorbability to the hair or to the skin compared with that of conventional cationic polymers, that, when incorporated in a composition for a hair treatment, exhibits improved conditioning effects on rinsing, imparts the hair after dried with flexibility and set effects and has good hair washingoff properties resulting from good emulsifying power and that, when incorporated with a skin cosmetic composition, relieves stiff feelings and dry feelings and improves sticky feelings and slimy feelings to the skin.SOLUTION: The cation-modified gum arabic is obtained by introducing a specific amount of a quaternary nitrogen-containing group to the gum arabic and has a cation charge amount controlled within a specific range.COPYRIGHT: (C)2007,JPO&INPIT【課題】従来のカチオン性ポリマーのもつ毛髪や皮膚に対する吸着性を改善し、毛髪処理用組成物に配合した時のすすぎ時のコンディショニング効果の弱さを改善すると共に、乾燥後には柔軟性およびセット効果の付与が可能であり、良好な乳化力に起因する洗髪除去性を有し、また皮膚化粧料組成物に配合した時の皮膚に対するつっぱり感、かさつき感を解消し、べたつき感、ぬるつき感を改善する化合物の提供。【解決手段】 アラビアガムに特定量の第4級窒素含有基を導入し、かつカチオン電荷量を特定範囲に調節したカチオン変性アラビアガム。【選択図】なし
