◇If the sponge gets dirty, it will be difficult to apply foundation, so please keep it clean at all times. ◇If the sponge gets dirty, please use the separately sold "Shiseido Sponge Cleaner N" or gently press and wash it with a mild detergent diluted in lukewarm water. After rinsing thoroughly to remove all detergent, drain the water and dry well in the shade before using again. ◇If the feel or finish of the sponge becomes poor, please purchase a new sponge.