Lots of people swear by rice water for strong, shiny hair, but do you know how to use rice water for your face? But before you bring your rice water recipe into your skin routine, there are a few things you should know. How to use rice water in your skin care routineRice water is most commonly used as a toner or essence step, according to the experts. While homemade rice water can be great for your hair, store-bought products might be a safer choice for your skin. If you do want to use homemade rice water on your face, Dr. Park says to make sure that it’s fresh (never stored), and to stop use immediately if irritation occurs.