How to make the BEST skin toner with just 2 or 3 ingredients? Next time you use rice in your cooking do the following: Soak organic rice in cool filtered water for a few min before cooking. Save the water. Let it ferment for a couple of days then cook it for a couple of min on high heat to stop the fermentation process. OPTIONAL: Stir in some high quality Matcha green tea into the mixture for extra vitamins and to tone down redness. Store in a glass container and refrigerate. Toner can keep in the fridge for about a week.