 [ Symptoms ] how can ringworm of the skin be prevented [ Disease ] most people who have a well rounded diet will be able to maintain healthy skin however to really brighten the skin i recommend ingesting plenty of beans berries and citrus foods which are high in vitamin c and other antioxidants lycopene is a powerful antioxidant that can combat damaging free radicals in the skin it can be found in raw tomatoes watermelon pink grapefruit and papaya among others