Abstract: A cover for the head of a foam brush of the type that expels foam from the head thereof includes a bag and a closure device. The bag has a continuous scrubbing surface and a side wall joined together to form an interior cavity, The bag has a mouth for allowing ingress into the interior cavity and has a plurality of foam discharge holes in side wall thereof for allowing foam to pass therethrough. The closure device is configured to close the mouth of the bag when the head of a brush is received in the interior cavity and to removably secure the bag to the head of the brush.