The present invention relates to a composition comprising, based on the finished composition, a) 40 to 60% by weight of at least one quaternary compound according to formula (1)wherein R1 is an unbranched or branched alkyl or alkenyl group having 12 to 36 carbon atoms, a group R5CONH(CH2)n— or a group R5COO(CH2)n—, where R5 is an alkyl or alkenyl group having 12 to 36 carbon atoms and n is a number from 1 to 8, and R2, R3 and R4 are independently identical or and are a —CH3, CH3CH2—, CH2CH2CH2—, CH2CH2CH2CH2—, —CH2CH2OH, or —CH2CH(OH)CH2OH group, and X− is an anion, and b) 15 to 25% by weight of at least one glycerol monoester selected from the group consisting of glycerol monoester of a C12-24 fatty acid, and c) 25 to 35% by weight of a mixture of fatty alcohols.
