Eating foods rich in vitamin A, such as animal liver, egg yolk, milk, cod liver oil, carrots, apples, tomatoes, green vegetables and dried fruits, can improve rough skin. Drink more pure water, drink it even if you are not thirsty, remove the garbage in your body, detoxify and nourish your face, especially after getting up in the morning, drink it on an empty stomach and eat a certain amount of vegetables and fruits every day.