Using Dimeralkohol- and Trimeralkoholkoxylaten as a thickener

The invention concerns the use of dimeric alcohol and/or trimeric alcohol alkoxylates as thickeners for aqueous surfactants. The dimeric alcohol and trimeric alcohol alkoxylates have both detergent and thickening properties. They are used in particular in detergents and cleaning agents as well as in hair and body-care agents.