I recommend Etude cleansing foam.

This is Etude's Baking Powder Pore Cleansing Foam. Since it comes in a large 300ml size, it feels like the bottle never runs out, no matter how much you use it. They say the baking powder removes impurities and exfoliates the skin. After washing my face, it feels nice and clean, squeaky smooth. It has such good cleansing power that it even removes makeup, so on days when I wear light makeup, I could just wash my face with this foam alone. If you are looking for a large-capacity product, I recommend this one.