to 0 5 wt particularly preferably in an amount of 0 01 to 0 1 wt the textile finishing or the washing process is preferably done at a temperature of 20 to 60 u00b0 c particularly preferably at a temperature of 20 to 40 u00b0 c the textile finishing or the washing process is preferably done at a ph of 6 to 11 particularly preferably at a ph of 7 5 to 9 5 the textile treatment agent according to the invention can exist in any dosage form for example it can be in the form of a powder a liquid or a gel in a preferred embodiment it is in the form of a liquid or has the consistency of a gel the polymers with carboxyl groups as well as the divalent cations are preferably present in the liquid or gel like textile treatment agent in soluble form in a particularly preferred embodiment the inventive textile treatment agent is a washing or cleaning agent an inventive washing or cleaning agent and in particular an inventive textile washing agent can comprise additional active washing or cleaning ingredients for example surfactants especially anionic non ionic cationic and or amphoteric surfactants builders especially inorganic and organic builders active cleaning polymers for example those with cobuilder properties foam inhibitors colorants fragrances perfumes bleaching agents such as for.