Polyurea- and/or polyurethane-polyorganosiloxane compounds a) containing at least one structural element of the formula: wherein ST 1 and ST 2 are each independently selected from divalent or polyvalent, straight-chain, cyclic or branched, saturated, unsaturated or aromatic, substituted or unsubstituted hydrocarbon radicals having up to 1,000 carbon atoms (wherein the carbon atoms of an optionally contained polyorganosiloxane unit are not included), which may contain one or more groups selected from -O-, -NH-, -NR 3 -, and a polydiorganosiloxane unit having 2 to 1,000 silicon atoms, wherein R 3 is a straight-chain, cyclic or branched, saturated, unsaturated or aromatic hydrocarbon radical having up to 40 carbon atoms, which may contain one or more groups selected from -O-, -C - and -NH-, and R 5 is a straight-chain, cyclic or branched, saturated, unsaturated or aromatic hydrocarbon radical having up to 100 carbon atoms, which may contain one or more groups selected from -O-, -C - and -NH-, or R 5 is a divalent radical which forms cyclic structures within the radicals ST 1 and/or ST 2, and wherein if a plurality of radicals ST 1 is present, these may be identical or different from one another, and if a plurality of radicals ST 2 is present, these may be identical or different from one another, with the proviso that at least one of the radicals ST 1 contains a polyorganosiloxane radical und at least one of the radicals ST 2 contains a polyalkylene oxide radical, or at least one of the radicals ST 2 contains a polyorganosiloxane radical und at least one of the radicals ST 1 contains a polyalkylene oxide radical, or polyurea- and/or polyurethane-polyorganosiloxane compounds b) containing at least one structural element of the formula: wherein ST 1 is selected from divalent or polyvalent, straight-chain, cyclic or branched, saturated, unsaturated or aromatic, substituted or unsubstituted hydrocarbon radicals having up to 1,000 carbon atoms (wherein the carbon atoms of an optionally contained polyorganosiloxane unit are not included), which may contain one or more groups selected from -O-, -NH-, -NR 3 -, and a polydiorganosiloxane unit having 2 to 1,000 silicon atoms, wherein R 3 and R 5 are as defined above, und ST 3 is a straight-chain or cyclic or branched, saturated or unsaturated or aromatic, substituted or unsubstituted hydrocarbon radical having 2 to 100 carbon atoms, which may be substituted with -O-, -NH-, -NR 3 -, wherein R 3 is as defined above, and ST 4 is a straight-chain or cyclic or branched, saturated or unsaturated or aromatic, substituted or unsubstituted hydrocarbon radical having 2 to 100 carbon atoms (wherein the carbon atoms of an optionally contained polyorganosiloxane unit are not included), which may be substituted with -O-, - NH-, -NR 3 - and with a polydiorganosiloxane unit having 2 to 200 silicon atoms, wherein R 3 is as defined above, and A - is an organic or inorganic anion, with the proviso that at least one of the radicals ST 1, ST 4 contains a polydiorganosiloxane radical, and wherein the polyurea- and/or polyurethane-polyorganosiloxane compounds b) are obtained by reacting a compound of the formula wherein ST 1 is as defined above, with a compound of the formula HY-ST 3 -NR 5 2. wherein Y, ST 3 and R 5 are as defined above, and a subsequent reaction with a compound of the formula Q-ST 4V -Q, wherein Q is a radical which is capable of alkylation of an amino group, and ST 4V, together with the molecular part originating from Q after the quaternization reaction, forms the radical ST 4 Y is -NR 2 - or -O-, wherein R 2 is hydrogen or a straight-chain, cyclic or branched, saturated, unsaturated or aromatic hydrocarbon radical having up to 40 carbon atoms, which may contain one or more groups selected from -O-, -C -, -NH- and -NR 3 -, wherein R 3 is as defined above, or acid addition compounds and/or salts thereof.