corresponding to formula x str5 in which r 9 is a linear or branched c 6 22 and preferably c 12 18 alkyl radical optionally substituted by 1 to 10 oligoethylene glycol units r 10 is hydrogen z or r 9 and z is an alkali metal or alkaline earth metal or ammonium in which r 11 is a linear or branched c 6 22 and preferably c 12 18 alkyl and or alkenyl radical m is a number of 1 to 10 and z is an alkali metal or alkaline earth metal or ammonium c9 sulfotriglycerides obtainable for example by reaction of saturated and or unsaturated triglycerides with sulfur trioxide and subsequent neutralization with aqueous bases cf wo 91 06532 wo 91 19009 henkel c10 alkyl oligoglucoside sulfates obtainable for example by reaction of alkyl oligoglucosides with sulfur trioxide in inert solvents or in the form of a mixture with alkyl sulfates by sulfation of technical mixtures of alkyl oligoglucosides and fatty alcohols cf wo 91 13896 henkel combinations of alkyl oligoglucosides and anionic surfactants are known from the prior art for example in rivista ital 10 567 1974 g proserpio and g viahello describe shampoos which in addition to alkyl glucosides contain sodium lauryl sulfate coconut oil fatty acid isethionates coconut oil fatty acid sarcosinates or alkyl sulfosuccinates the use of short chain alkyl oligoglucosides together with ether carboxylic acids as constituents of foam baths shampoos and liquid detergents is known from company literature of c f angele 34 nifankol lxk 34 ep a2 0 358 216 kao describes skin compatible mixtures of alkyl glucosides and sulfosuccinates more particularly monoalkyl sulfosuccinates in hair shampoos and dishwashing detergents finally low foaming detergents containing alkyl oligoglucosides and ether carboxylic.