The reason why the scalp itches is that the scalp itches like a cat scratching? Or is dandruff falling like snowflakes? Is the scalp often itchy, even after washing your hair, even if you wash it often, it can't be solved? Many people have itchy scalp when they encounter a lot of hair loss. At this time, it is certainly impossible to improve by washing your hair alone. The most fundamental solution is to seek expert assistance in time, otherwise you may face the crisis of baldness immediately. All kinds of annoying situations are reminding you: maybe your scalp is threatened by allergies! Self-diagnosis method of scalp allergy 1. Sporadic little red dot on the scalp (reason: sleeping when the hair roots are not dry after shampooing) 2. Seasonal dryness of scalp (cause: allergic constitution) 3. Irregular dandruff on the scalp (cause: irregular diet, chemicals invading the hair for a long time) 4. The scalp is oily for a long time (reason: wearing a hat for a long time or eating too much greasy food) 5. Hair loss and hair fragility. At this time, you must use scalp sensitive hair care products. Pollen in spring, scorching sun in summer, wind in autumn and cold in winter will make our skin sensitive. Modern fast-paced life, bad air, bad living habits and excessive pressure make our body and mind sensitive at all times. In the past, we only paid attention to the sensitive care of skin and hair, but neglected the sensitive care of scalp. In fact, a healthy scalp is the foundation of strong hair. Head skin is one of the most "weak" links in the whole body skin, and its thickness is only thicker than the skin of delicate eyes and lips. When sunshine, air pollution, rainy weather, dry climate and excessive chemicals hurt hair, the scalp first protests: itchy, dry and painful scalp, or excessive oil secretion and dandruff follow. Many people can't find the reason, so they shirk all the responsibilities-their natural poor hair quality, hair stylist problems, shampoo problems, or lack of time to take care of them, and so on. In fact, this is probably your scalp allergy. Strong ultraviolet rays in summer are an important cause of hair damage. Excessive sun exposure will destroy the protein tissue inside the hair, make the hair dry and hard, and also cause the loss of melanin and make the hair fade. In fact, the sun will also bring damage to the fragile head skin, and the hair needs sun protection, and the head skin also needs sun protection. After burning in the hot sun, the head skin needs gentle and comfortable soothing and sensitive care most. In addition, sweat will greatly change the pH value of sebum in the head, leading to a decline in skin resistance. Even dry head skin will secrete more sebum and sweat in summer, so proper nourishment is particularly important. In midsummer, it is an indispensable key nursing step to effectively eliminate harmful fungi on the scalp and keep the scalp fresh, nourishing and moist. Not itching for the time being is not the way. Scalp itching is one of the symptoms of a large number of alopecia. Most people tend to ignore the seriousness of scalp itching, thinking that it is because the hair is dirty and the shampoo will be fine. Even if you use mint shampoo, it is only a temporary relaxation and freedom, not a long-term solution. Only by finding out the causes of scalp itching and thoroughly improving scalp health can scalp itching be completely eliminated. There are many reasons why scalp itching and dandruff affect hair loss and scalp itching, which may be caused by dry and sensitive scalp, or the proliferation of dandruff bacilli. If the scalp is itchy, dandruff is more, and hair loss is caused by other reasons, it will affect hair growth. For example, hair follicles are damaged, and the hair that grows becomes smaller and brittle. If it is not improved at this time, healthy hair will not grow.