water sleeping mask 15 ML,Recharge your dehydrated skin while you sleep with this innovative mask. It’s formulated with highly concentrated Hydro Ionized Mineral Water to deliver high doses of moisture to stressed, parched skin. Use 2-3 times a week at the last step of skincare and leave it on overnight instead of washing off. (Wash off the next morning).※Apply a little more than the recommended amount when your skin feels dry.