4-year-old child, my nephew has some small white patches on his face, vitiligo

4-year-old children face white small pieces are not necessarily vitiligo, there may be white pityriasis, white pityriasis good hair in children, typical symptoms of the skin appear blurred edge of the round spots, a few weeks later light erythema will gradually transform into light white spots. General recommendations local application of weak glucocorticoid cream treatment.