Abstract: A propellantless foam dispenser comprising a container which has a flexible outer wall and contains a foamable liquid and air. The container has an outlet opening which is disposed at the top of the container and has a foam discharge nozzle associated with it. A foam generator is associated with the outlet opening and comprises a body that includes a bottom member and a shell member and contains a porous element which covers the air inlet opening of the foam discharge nozzle. The bottom member of the foam generator body is formed with liquid passage openings and with an air passage opening. A tubular air line is provided which communicates with the air passage opening and extends into the interior of the container close to the base of the container. A mixing chamber is provided between the bottom member of the body of the foam generator and the porous element which comprises a sieve disc.