A shelf-stable Polyelektrolytkapselsystem based on peroxycarboxylic acids

described a method for preparing a organic percarboxylic acids, particularly imidoperoxycarboxylic acids (eg. B. 6-phthalimidoperoxycaproic acid), loaded multilayer capsule system and the use of the capsule system produced in this way in detergents and cleaning agents, particularly liquid washing and cleaning agents, dentifrices, hair dye and decolorizing or bleaching agents for technical applications.