According to the "Chinese Scalp Health" questionnaire released by " Health Times ", more than 80% of people in our country are troubled by dandruff, and even if they wash their hair every day, they may "snow" fall on their shoulders! Even people with a lot of dandruff don’t wear dark clothes because they are afraid of embarrassment. Over time, they may be considered unhygienic.
In order to remove dandruff, people can rack their brains and wish they could use all the anti-dandruff shampoos on the market, but it caused more and more dandruff. Is anti-dandruff shampoo useful? Why does dandruff become more after using it? Will there be dandruff if you shaved your head? Come on, follow the passers-by and listen to the passers-by.
Why does it have dandruff?
Dandruff is a thin-flake keratinous cortical cell that falls off the surface of the scalp. It is a normal phenomenon. Simply put, it is the product of human metabolism. Skin metabolism usually has a cycle, and healthy skin will fall off through growth, keratinization, and death. Dandruff is possible if the scalp is too dry or too oily. Even if the head is shaved, it will still cause dandruff, but it is not easy to see.
There are usually two types of dandruff: physiological dandruff and pathological dandruff . Physiological dandruff is mainly caused by certain factors affecting the skin's metabolism, such as climate change, stress, diet and rest, etc., which changes the skin's metabolic cycle and increases the surface oil.
Secondly, there are external skin damage factors, such as washing your hair too frequently, dyeing your hair, scratching your hair, and not cleaning your conditioner , which causes the skin growth to lose balance, resulting in a large increase in oil and secretions, and produce more and more dandruff.
. Pathological dandruff is simply a skin disease. Some inflammations caused by skin infection or bacterial infection. Pathological dandruff is usually divided into four categories: contact dermatitis , seborrheic dermatitis , psoriatic dermatitis, folliculitis . Among them, seborrheic dermatitis is the most common. Generally, the more dandruff and itchy conditions are caused by seborrheic dermatitis.
Seborrheic dermatitis generally occurs in the sebaceous gland abundant area, mainly caused by overproliferating fungus "Malassezia" and abnormally secreted oils. The sebaceous glands of the scalp are much higher than those of the face. Compared with the forehead and nose that produce a lot of oil on the face, the scalp is almost twice as high as it. Excessive oil accelerates the reproduction of "Malassezia".
"Malassezia" is a fungus, which almost everyone has. This fungus mainly grows by oil. Too much oil will accelerate the reproduction of Malassezia. When these fungi reproduce too fast, it will lead to abnormal scalp metabolism, which will not only produce too much dandruff, but also cause itchy and erythema.
Too much dandruff may speed up hair loss !
According to dermatologists, pathological dandruff will not only cause skin problems, causing excessive dandruff, itchyness, etc., but in severe cases, it may also cause folliculitis, indirectly leading to hair loss! Folliculitis is caused by the skin hair follicles being infected by external bacteria or viruses, and then develops into papule pussy. The hair on its part will also fall off. After healing, it will form atrophic scar and permanent hair loss.
According to data released by National Health Commission , more than 250 million people in my country are facing the trouble of hair loss, which is equivalent to one in every 6 people on average, and scalp problems are one of the main causes of hair loss and should not be underestimated! How to remove dandruff from
?
Currently, there are two common anti-dandruff methods for people to use. One is to use anti-dandruff shampoo . As we mentioned above, the reason why there is too much dandruff is mostly caused by excessive secretion of oil and fungi. The principles of anti-dandruff shampoos on the market are also aimed at these two points: ① is to control oil; ② is to inhibit the growth of fungi.
Currently, the antifungal agents used on the market usually have four ingredients: ketoconazole , pirocketone ethanolamine salt, selenium disulfide and pirocketone zinc . These four ingredients can effectively inhibit the reproduction of fungi, reduce dandruff, and also have an anti-itching effect. Among them, "pirocketone ethanolamine salt" is the most widely used and has a relatively low irritation. When choosing, you can effectively remove dandruff.
The second type is to use "folk remedy" . There are many "tips of anti-dandruff" circulating on the Internet, such as adding vinegar, beer, ginger, etc. when washing your hair. But it is actually useless. As long as the scalp is still normal, the keratinocytes in the scalp will fall off normally and sebum will continue to be secreted. These things cannot change the factors of dandruff formation. If used for a long time, it may aggravate the dandruff phenomenon.
Why does it make you more dandruff after using anti-dandruff shampoo?
To effectively remove dandruff, you have to use shampoo with special ingredients. So why do some people have more and more dandruff after using anti-dandruff shampoo?
First, the problem with shampoo , it is very likely that the shampoo you bought has no effect on anti-dandruff. CCTV Finance's " Consumption Proposition " column has reported related unqualified shampoos. In January 2018, the Jiangsu Drug Administration randomly inspected five batches of " Qingyang " products that were not qualified. According to reports, the chlorimepazole (a anti-dandruff agent) marked on the product was not detected.
Also, in June 2020, the Guangdong Drug Administration released the results of random inspections on cosmetics. 17 batches of 315 batches failed. Among them, the pirocone ethanolamine salt anti-dandruff agent marked in the "Qingyang" product was not detected, which means that no ingredients with anti-dandruff effect were added to the shampoo.
The second is , silicone oil can lubricate and retain water well, but it is like a "double-edged sword" when used in anti-dandruff shampoo. If it is not thoroughly rinsed, it will accumulate at the roots of the hair, which will become a "burden" for oily scalp. Over time, dandruff may wash more and more.
Third, wash your hair too frequently . It can be once every 1-2 days in summer, and usually once every 2-3 days in autumn and winter. If it is too frequent, it can easily damage the scalp and hair. Anti-dandruff shampoo contains special ingredients and is not recommended to use it too frequently, once a week. You can use shampoo that is not anti-dandruff at normal. If you use it too frequently, it will easily destroy the scalp's normal bacterial , and dandruff will also wash more and more.
In addition, our lifestyle will also affect the production of dandruff. We should try to eat less heavy-tasting foods to ensure a regular routine, etc.
, that’s all for today. Follow the passers-by and hear the passers-by say, See you next time.
