It include oligomeric ester ammonium salt (OAS) and cosmetic device F the present invention relates to shampoo composite is particularly used for, obtained from OAS. The mixture of (I) heating following components (continuously removes reaction water in step (a) to (d): a certain diethanol amine compound of (one) of lower section (2) a certain dicarboxylic acids (3) certain organic triol With monocarboxylic acid R1-COOH (formula), wherein R1 is linear or branching C12-C24-alkyl (II) reacts the step of oligoester (I) and aminoalkyl groups agent.
