PROBLEM TO BE SOLVED: To provide a hair treating agent composition improving undulation from intermediate portion to the tip of hair, and flip-up of the tip of hair and a method for treating hair.SOLUTION: This hair treating agent composition comprises a first agent containing saccharin and a second agent containing a component represented by formula. In formula, X represents a 1-3C saturated hydrocarbon.COPYRIGHT: (C)2013,JPO&INPIT【課題】毛髪中間部から毛先にかけてのうねりや毛先のハネを改善する毛髪処理剤組成物および毛髪処理方法の提供。【解決手段】サッカリンを含有する第1剤、下記に示す成分を含有する第2剤よりなる毛髪処理剤組成物。(上記化1中、Xは水素又は炭素数1~3の飽和炭化水素を示す。)【選択図】なし