| abstract |
(57) [Summary] [PROBLEMS] In the field of cosmetics and the like, in recent years, materials with low irritation have been demanded, and many of them have been developed based on natural materials. An object of the present invention is to provide a composition containing the alkenyl succinic acid hydrolyzed protein ester salt of the present invention and a hair wash composition using the same. A composition containing a hydrolyzed protein ester salt obtained by reacting an alkenyl succinic acid and a hydrolyzed protein with an alkali catalyst according to the present invention is excellent in emulsifiability, foaming power and foam stability. When used as a cleaning composition, Foam quality, foam disappearance, and feel were good. When used as a cosmetic base material, a good feeling of use and finish can be imparted. Further, the alkenyl succinic acid-hydrolyzed protein ester salt of the present invention has a feature of being superior in biodegradability as compared with a synthetic surfactant. |