Described are microemulsions which contain at least one alkyl(oligo)glycoside, at least one isosorbide ester as a co-surfactant, at least one water-insoluble organic oil component and water, and which are excellent for the production of cosmetic cleansing agents. Especially shampoos comprising the microemulsions of the invention have a good conditioning effect and improve the combability of wet hair along with cationic polymeric compounds.
