Washing up soap / Washing up soap

Modern washing-up liquids have evident disadvantages: they are difficult to rinse off. (it needs to repeat a rinse up to eight times). An average person is known to eat, willy-nilly, about half a liter washing up liquid yearly. Moreover, don't forget about the necessity to utilize plastic packaging.
Actually, it's possible to use environment friendly product for washing up. It's a pressed soap and soda cake put in a specially designed ceramic plate. The presence of soda in this natural composite increases its washing effect. You need to moist a sponge and rub it against the cake surface in circular movements. The cake can be packed in paper