mouth and dental care and cleaning products, in terms of their weight - 0.001 to 5 wt.% copolymer (e) at least one subsidiary, comprehensive formula (a1) and at least one subsidiary formula (a2)whatr1stands for a (c1 to c18) - alkylgruppe,r2stands for a (c1 to c6) - alkylgruppe,mstands for a hydrogen atom or an equivalent of an a - or polyhydric),and 0.001 to 5 wt.% of at least one isopropylmethylphenols and 0.1 to 5 wt.% aniontensid (e), mean that anf u00e4rbungen (for example, food, especially teeanf u00e4rbungen) visible less will be included. the gentle cleaning of such a combination is a long-term effect against wiederanschmutzung added.