When washing your face, you can add 1-2 tablespoons of vinegar to the water to reduce pigmentation. Taking a tablet of vitamin C and vitamin E every day can achieve the effect of freckle removal.
Eat more whitening things, such as almonds, soy milk, tofu and so on. In addition, eat 7 glasses of water every day, eat more fruits and vegetables, and eat less orange photosensitive fruits.