1, regularly maintain with non-irritating skin care products.

2. For spots with deep pigment and small area, you can use black therapy (that is, drug spot therapy or laser spot therapy) first, and then cooperate with some drugs that can control melanin formation and accelerate cell metabolism. )

3. In the course of treatment, we must pay attention to isolating the stimulus source and internal adjustment and external treatment. The spots caused by internal factors include chloasma, senile spots and blackheads. The treatment method is the same as above, but the dosage can be increased and the course of treatment can be prolonged.

4, liquid nitrogen spray freezing treatment, suitable for freckles and large spots. Generally, after cryotherapy or ion therapy, freckles will form a thin purple scab within 48 hours, and the thin scab will fall off on its own in 7~ 14 days, and the spots will disappear.

This method requires skilled surgeons, and the curative effect is ideal. The effective rate is above 95%, and the cost is not high.

5. Use ion therapy machine or spot scanner to cauterize the reputation spot, and another method is to treat freckles with grinding beauty. Suitable for people with white skin, dense freckles and large area.

6. With the development of plastic surgery, drug shedding came into being. Generally, phenol preparations are used for facial freckles. After the liquid medicine acts on the skin freckles, it will produce a layer of scab skin. About 5~7 days, the fool's skin will fall off and freckles will be eliminated.

This method is painless, simple and effective, and can also remove fine wrinkles and uneven scars on the face, making the facial skin rosy and plump.

Extended data

Prevention methods of pigmentation:

1, you can start from the inside of the body to prevent facial spots, and you can eat more fruits and vegetables containing vitamin C, because vitamin C can not only inhibit the production of melanin, but also have redox effect. A large amount of vitamin C can gradually reduce dark oxidized pigments to light or even colorless States.

2, pay attention to diet, vegetables containing highly sensitive substances, such as celery, carrots, parsley and so on. It is best to eat at dinner. After eating, it is not advisable to move under strong light to avoid melanin deposition.

3. Try to be "insulated" in life. Take a sun umbrella and a sun hat when you go out in summer. Wash your face and arms after meals, and pay special attention to the parts splashed by hot oil. Hot oil is easy to cause permanent chloasma, which is especially important for middle-aged and elderly people. It should be washed with cold water immediately.

4, women with many facial spots, pay special attention to maintenance during menstruation. In the meantime, eat more foods that help to expel blood stasis in the uterus, help the uterus function normally, and increase blood, so as not to increase the burden on the liver and spots on the skin.

5, choose the right skin care products, do not use inferior cosmetics, because it contains pigment preservatives, which can be mixed with sweat, invade the inner layer of the skin, and accelerate the production of facial spots.

6, to ensure adequate sleep every day, fatigue will lead to skin tension and fatigue, blood acidification, slow metabolism, then the skin can not get enough nutrition; The stratum corneum dulls the skin because of lack of water.

Baidu Encyclopedia: Pigmentation