| abstract |
(57) [Summary] [Problem] To provide a hair cleansing agent which has good foaming and smooth foaming properties at the time of hair washing, and is excellent in gloss, flexibility, cohesiveness and stability of dried hair and also excellent in stability. To provide. SOLUTION: The following components (A) to (C) (A) hydroxymonocarboxylic acid (B) organic solvent (C) containing an anionic surfactant having a sulfuric acid residue, wherein the pH of a 5% by weight aqueous solution is 1 ~ 4 with a buffer capacity of 0.00 A hair cleansing agent having a content of 5 g equivalent / L or more and less than 0.2 g equivalent / L. |