Sun protection! This article is very important! Because stains are most afraid of sun exposure. Sun exposure or excessive exposure to X-rays and ultraviolet rays will promote pigmentation and aggravate it. Even fluorescent lamps used for indoor lighting aggravate the color spots due to the excitation of ultraviolet rays, so it can be considered that the color spots are a kind of physical injury skin diseases. Sunlight can increase the activity of melanin, which leads to the increase of melanin content in the basal layer of epidermis and the formation of pigmentation. In summer, sunshine is abundant, spots are active frequently, the number of spots increases, the color deepens and the harm becomes greater; In winter, the sunshine is less, the number of spots is reduced, the color change is lighter, and the damage is reduced. It can be seen that sun exposure is a necessary factor for pigmentation, so patients should try to avoid long-term sun exposure, especially in summer.

2. Prevent all kinds of ionizing radiation! Including all kinds of glass shell display screens, all kinds of fluorescent lamps, X-ray machines, ultraviolet irradiators and so on. These bad stimuli will have consequences similar to strong sunlight, even greater than the damage caused by sunlight, and the result is aggravated pigmentation.

3. Be careful of all kinds of trauma treatment! Including freezing, laser, ions, strong acid and alkali and other corrosive substances, otherwise it is easy to cause disfigurement.

4. It is forbidden to use "quick-acting freckle cream" containing harmful substances such as hormones, lead and mercury, because there are too many side effects! Will cause hundreds of side effects! Cause serious disfigurement!

5. Quit bad habits, such as smoking, drinking and staying up late.

6. Drink plenty of water and eat more fruits and vegetables, such as tomatoes, cucumbers, strawberries and peaches.

7. Pay attention to rest and ensure adequate sleep. Insufficient sleep can easily lead to dark circles and dark skin.

8. Keep a good mood. Glowing skin is good, and a bad mood will be counterproductive.

9, avoid irritating food: irritating food is easy to age the skin. Especially coffee, cola, strong tea, cigarettes, wine, etc. The more you eat, the faster you age, causing melanin molecules to float on the skin surface, making dark spots bigger and darker. Tomato juice: Drinking 1 cup of tomato juice every day or eating tomatoes often has a good effect on preventing freckles. Because tomatoes are rich in vitamin C, they are known as "warehouses of vitamin C". It can inhibit the activity of tyrosinase in the skin, effectively reduce the formation of melanin, thus making the skin white and tender, and the black spots fade away.