<p>Provided is a film composition efficacious in compensating for irregularity on the skin surface, which has a high stretchability and a high flexibility achieved by crosslinking crosslinkable protein microparticles in the film composition with the use of transglutaminase, and also has a high air permeability and excellent moisture evaporation properties achieved by film-forming the crosslinkable protein microparticles as described above.</p>
