A two-compartment aerosol device comprising: (i) a first compartment comprising a cosmetic composition comprising, in at least one cosmetically acceptable medium, at least one electrophilic monomer, and (ii) a second compartment comprising at least one compressed gas, wherein the first and second compartments provide, during the use of the aerosol device, a permanent mechanical separation therein between the cosmetic composition and the at least one compressed gas and methods of using the two-compartment device.
