Shine-producing hair treatment agent

A method of imparting shine on keratin-containing fibers, the method comprising the steps of:

• applying to the keratin-containing fibers a dry shampoo and/or a cosmetic agent containing at least one polymer having a setting effect;
• and
• subsequently applying to the keratin-containing fibers an agent comprising in a cosmetically acceptable carrier:
• at least one ester of formula (I)
• in which
• R1 signifies a linear or branched (C2 to C30) alkyl group, a linear or branched (C8 to C30) alkenyl group, a (C2 to C30) alkylpoly(oxyethylene) group, an optionally substituted aryl group, an optionally substituted aryl-(C1 to C4) alkyl group, or a (C2 to C6) hydroxyalkyl group, and
• R2 signifies an optionally substituted aryl group, a linear or branched (C8 to C30) alkyl group, a linear or branched (C8 to C30) alkenyl group, an optionally substituted aryl-(C1 to C4) alkyl group, an optionally substituted aryl-(C2 to C4) alkenyl group, or a (C2 to C6) hydroxyalkyl group,
• an alcohol that comprises 2 to 6 carbon atoms and 1 to 3 hydroxyl groups, and
• octamethyltrisiloxane, and
• a propellant.