When you sleep at night, it will be very white to apply VC to your face for a while, or it will be very effective to use pearl powder with honey, egg white and milk. However, you should insist that watermelon is a good diet food, but you should not eat it at night because it will also contain sugar, and eating it at night is ineffective. Try to eat more fruits and vegetables and coarse grains to fill your stomach, so you won't feel hungry. Don't eat greasy food.