| 摘要 |
PROBLEM TO BE SOLVED: To provide a hair washing agent composition using N-alkyl (or alkenyl) aspartic acid or a salt thereof, allowing suppression of strong squeak during rinsing and formation/aggregation of a water insoluble salt while excellent foam characteristics and finger-passing property during shampoo remain.SOLUTION: A washing agent composition contains (A)N-alkyl (or alkenyl) aspartic acid or a salt thereof, (B) a betaine type amphoteric surfactant, (C) one or two or more kinds selected from anionic surfactants, semipolar surfactants and nonionic surfactants and (D) a cationized polymer in the range of a certain composition ratio. |
