| abstract |
(57) Abstract: To provide an emulsified composition having good emulsion stability, safety and usability, and an emulsifier capable of preparing an emulsified cosmetic. SOLUTION: A (meth) acrylamidoalkylsulfonic acid and / or salt thereof, a (meth) acrylate, and a crosslinking agent are polymerized, or a crosslinked copolymer obtained is further neutralized with an alkaline agent. An emulsifier characterized by comprising a water-soluble cross-linked amphiphilic polymer electrolyte obtained by the above, an emulsified composition and an emulsified cosmetic containing the emulsifier. |