2, efficacy: beauty, anti-aging. Tomatoes Tomatoes contain carotene and vitamins A and C, which have the effects of freckle removal, beauty, anti-aging and skin care. Potatoes have always been called "underground apples", which have the magical effect of beauty and anti-aging. Potatoes contain nutrients including vitamins, trace elements and a lot of potassium, and rich dietary fiber can make people feel full and reduce the intake of other foods.