| abstract |
(57) [Summary] [Structure] A bleaching composition comprising a water-soluble polymer having a structure represented by the following formula and a peroxide. And a bleaching method in which the above water-soluble polymer is used as an auxiliary agent and bleaching is performed using a peroxide. [Chemical 8] [Effect] A composition that is inexpensive and has improved storage stability and bleaching properties can be obtained. Further, according to the bleaching method, the bleaching property can be improved and the formation and deposition of silicate can be suppressed with a small amount of the auxiliary agent. |