2023-09-08 01:43:46
Even though autumn has entered, the weather in Hong Kong is still hot and humid. Some hair experts say that hot weather will make the scalp more prone to oiliness. Coupled with increased exposure to ultraviolet rays, it may aggravate hair loss. Common ways to cool down and protect yourself from the sun, such as tying ponytails and wearing hats, can make hair loss worse if not used carefully. He suggested that you pay attention to the strength of tying your hair, take off the hat every 30 minutes to 1 hour to breathe, etc., and be sure to blow-dry your hair evenly with warm air after washing to avoid the growth of bacteria and cause hair loss.
Experts recommend that people who wear sun protection hats should take them off to breathe every 30 minutes to an hour.
Hair loss is generally related to stress, anxiety, insomnia, endocrine disorders, etc. Other causes include malnutrition, air pollution, scalp infection, family inheritance, etc. However, seasonal changes can actually accelerate hair loss. Wu Po-yan, founder of the Hong Kong Trichology Association, pointed out that seasonal hair loss is temporary hair loss caused by seasonal changes. It is common in spring and autumn. In spring, the temperature rises and is more humid and hot, which can easily lead to oily scalp and hair loss; in autumn, the temperature begins to drop. , causing scalp blood vessels to constrict and reducing scalp blood supply. However, Hong Kong’s summer is extremely hot and humid, which has many negative effects on the scalp and hair. Therefore, hair loss is more serious among Hong Kong people in summer.
Oily scalp and UV damage to hair
He explained that hot weather makes the scalp more prone to oil production, leading to clogged hair follicles and inflammation of the scalp. Excessive outdoor activities and direct exposure to ultraviolet rays for a long time can also damage the scalp, making the hair brittle and broken, eventually leading to hair loss. For example, he once said that after a 20-year-old man took a boat trip on a river and was exposed to the sun, his scalp became red, itchy and inflamed, and his hair loss problem worsened significantly.
As for women with long hair, they may feel unbearably hot in summer, so many women with long hair will tie their hair into a ponytail. However, Hu Baoren emphasized that if the hair is tied too tightly, it will pull and damage the hair follicles. It is recommended that if you want to tie up your hair, Pay attention to the strength of the elastic and the number of binding turns. For those who wear hats for sun protection, it is recommended that they take off their hats every 30 minutes to 1 hour to let them breathe, and wash them once a week or every 2 to 3 weeks to avoid the accumulation of bacteria and sweat, which can cause scalp infections.
It is said that the more you wash your hair, the more serious your hair loss risk will be. However, in hot weather, your hair tends to become oily, so you will inevitably want to wash your hair more. Hu said that the frequency of washing hair should be determined according to personal needs. Generally speaking, washing once in the morning and once in the evening when the weather is hot is definitely not too much, so there is no need to worry.
Seasonal hair loss generally does not affect hair growth and health in the long term. Hu suggested that people with hair loss should increase their intake of protein and vitamins, do more exercise to relieve stress, and wash their hair with natural chemical-free shampoo and warm water. After washing your hair, do not wait for it to dry naturally. It is better to blow dry it evenly with warm air. Otherwise, under the influence of body temperature and moisture, bacteria will easily breed on your scalp. In addition, avoid using hair straighteners to clip your hair, as the heat from the hair straighteners will drain the moisture from your hair and make your scalp susceptible to sensitivity.
Hair loss should increase protein intake
However, he emphasized that if you find that your hair loss has worsened and has not improved for 1 week or more; or your scalp has become oily 2 to 3 hours after washing your hair; or your dandruff suddenly increases, you should consult an expert to check whether Have other underlying scalp health issues.
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