A "sponge applicator" refers to a tool or object that has a sponge attached to it, used for applying or spreading things like paint, makeup, or lotion. Full definition
The brow powder with sponge applicator is fun to use; I like to screw it up and use it, which (notonlymakeup.net)
You can apply it with the included sponge applicator, or use a duo fiber face brush. (collectivebeautyblog.com)
It's latex free and can be use wet or dry.This sponge is not as stiff as Hello Beauty makeup sponge applicator, but it does expand and yet becomes a much softer when wet. (smashinbeauty.com)