Cosmetic products for temporary deformation of keratinic fibers, containing, in a cosmetic carrier present in the form of a dispersed system, at least one starch modified with propylene oxide and having an average molecular weight (weight average) of from 50 to 2500 kDa, the products providing a hairstyle with a strong hold and high flexibility. The starches modified with propylene oxide are based on renewable raw materials. In this way, effective styling agents for hair can be provided and the content of polymeric raw materials based on fossil fuels reduced.