| abstract |
The invention relates to a dimensionally stable, single-piece detergent or washing agent portion having a weight of at least 50 g, comprising a (physico-)chemical switch and which is suitable for washing and/or treating textiles in an automatic washing machine and releases an active substance during 5 to 60 washing or treatment cycles. Preferably, the switch is not solely subjected to temperature control such that in the rinsing cycles, more pf the active substance is released than in the washing or treatment cycles. |