mehron makeup hair white (4.5 oz) mehron water washable liquid for the temporary appearance of graying hair of all types. how to use this product: can be brushed or sponged into the hair for a silver or white effect. as the color dries, it will absorb the hair color and become darker. a second or third coat may be needed. for best results, apply additional coats over a smaller percentage of the previous coat to give realistic variation of hair color. the hair silver can be used on light colored hair with additional coats of hair white to give a silver-white look. to remove, wash hair with shampoo and water.