Agents for temporarily shaping keratin fibers having a very high degree of hold. These agents impart a feeling of providing flexible and conditioned hair while also being pleasant to the touch. Agents according to the invention contain, in a cosmetically acceptable carrier, at least one copolymer A having at least one structural unit according to formula (I), and at least one further structural unit according to formula (II), wherein X+ is a physiologically acceptable cation, and further contains at least one further structural unit according to formula (III) and at least one silicone oil and/or silicone rubber.