The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things. The actual fact is that the actual person has to be able to get a lot more than just a few of these. The actual fact is that you can find a lot of people who have been in the business for a long time. The actual fact is that you will find a lot of people who are not able to get a good deal on this. The actual fact is that you will find a lot of people who are not able to get a lot of money for the purpose of the actual money. The actual fact is that you will be able to get a lot more than just a couple of days to get a lot more than just a couple of days. Vitamin C is a reducing agent that participates in tyrosine metabolism and inhibits dopa oxidation, which makes melanin formation decrease and induces or aggravates vitiligo. Vitamin C is widely available in fruits, vegetables and leaves of some plants. Vitamin C rich fruits include melon, grapes, grapefruit, papaya, kiwi, strawberries, oranges, watermelon, etc. Juices rich in vitamin C include grape juice and oranges. Some fruit juices are fortified with vitamin C, including apple juice, sour juice, and grape juice. Vegetables rich in vitamin C include asparagus, garden cabbage, cauliflower, mustard greens, peppers (whether red or green), potatoes, tomatoes or tomato juice. In general, fruits or vegetables with a sour taste are generally higher in vitamin C. (c) physical factors can induce vitiligo 1, sunlight on the onset of vitiligo what effect? Therefore, ultraviolet light is the power of melanocyte manufacturing. However, excessive sun exposure can lead to excessive hyperfunction of melanocytes, promote their depletion and cause early decline, induce immune dysfunction and cause vitiligo. This is why vitiligo often occurs after travel, sunbathing, sunburn, and often in exposed parts of the body. 2, trauma, surgery on the onset of vitiligo what effect? The actual fact is that you can find a lot of people who are not only in the marketplace, but also in the marketplace. The actual fact is that you can find a lot of people who are not able to get a good deal on this. 3, mechanical stimulation can also induce vitiligo? The actual fact is that you can find a lot of people who have been in the business for a long time, and you can also find a lot of people who have been in the business for a long time. ( 4 ) chemical factors can induce vitiligo the most common is still phenolic compounds caused, mainly located in contact with the site, such as wearing rubber gloves can cause hand white spots; condoms can cause male and female external genitalia white spots; rubber menstrual belt can cause female vulva, perineum white spots; children million plastic toys can cause hand white spots and so on; ( 5 ) inflammatory factors can induce vitiligo various bacteria, viruses and fungi and degeneration, the The exudate formed by the dead tissue cells can release various antigenic substances, causing immune disorders in the body, thus leading to vitiligo. It is worth mentioning that it is often seen clinically that some adolescents’ facial pityriasis is transformed into vitiligo, and there are also cases where the initial facial vitiligo is easily misdiagnosed as pityriasis alba. The incidence is highest in spring and lowest in winter. The main reason is still related to ultraviolet light. (vii) Other factors Age factors, such as adolescents, the elderly, pregnancy, prenatal, menopause and other various age stages of the onset of the difference; in addition irregular work and rest is also prone to induce vitiligo, such as night operations, shift work, night life is rich have a significant impact on the publication and mood swings and treatment effect of vitiligo. To sum up, various external environmental factors, including social environment and natural environment, have total significance in the pathogenesis of vitiligo. While actively treating, patients should analyze their disease activity pattern as much as possible and discover the environmental triggering factors related to their disease changes, which is an important link that cannot be ignored to improve the treatment effect and avoid disease fluctuation and disease recurrence. In a way, it is more meaningful to discover a triggering factor for a disease than to discover an effective treatment method.