Means and methods for temporary deformation of keratinous fibers

Cosmetic product comprising a) a cosmetic preparation having a viscosity of from 5,000 to 1,000,000 mPas, containing, based on its total weight a1) from 60 to 98% by weight of at least one polar solvent; a2) from 0.01 to 10% by weight of at least one thickener; b) a device for flash evaporation of the cosmetic preparation a). and methods using corresponding products and the use of the cosmetic preparation a) as process material in a device for flash evaporation.