Autumn wind takes away not only your thoughts, but also your beautiful hair. You have fallen hair everywhere on the comb, pillow, and clothes. The post-90s have already joined the hair loss array. The bald army has spread all over the motherland. Look at the map of hair loss in China. Is there a city where you are?
(picture from the Internet, infringement contact deleted) What is the life of
hair?
Hair goes through a long growth period after birth, which is about 90% of their life (2-6 years), and then it reaches the degenerative period, which accounts for 1% of their life (about 20 days), and finally enters After the resting period, which accounts for about 9% of their lives (60-90 days), the hair in the resting period has stopped growing and will leave you only when time passes.
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In other words, it is easy to understand that a hair can grow for two years, three years, or four or five years. The growth period of each hair is different. If Without the influence of external factors, it can grow for 2-6 years. If there is any "accident", it will fall, but after the hair leaves, the hair follicles will start to produce new hair and enter a new cycle again.
(picture from the Internet, infringement contact deleted) The diagnosis of
hair loss is dynamic. It can be diagnosed as alopecia without hair loss. Compared with before, the current hair loss can be called alopecia.
self-test method for hair loss:
hair pulling check: pick up a handful of hair from the roots and pull it down along the hair strands. Tear off 1-2 hairs, then you can rest assured that there is no hair loss. Tear off 3-4 hairs, it is already on the verge of danger. Pull off 5 or more, you can go to the hospital to find a dermatologist to save your hair.
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After self-testing whether you are losing your hair, let's take a look at the common causes of hair loss.
Common types of hair loss
Androgenetic alopecia: Seeing this name, do some people think that only men can lose hair in this disease, and women will not lose hair? In fact, this is the most common type of hair loss, which is related to genetic factors, including male pattern hair loss and female pattern hair loss. The prevalence of men is higher.
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appears to start from both sides of the forehead and gradually extend to the top of the head, or start from the top of the head and gradually extend to the forehead, the hair becomes slender and sparse, until the skin is smooth or there are a few fine hairs. Women have thinning hair on the top of the head. Excessive fatigue and staying up late have little to do with androgenetic alopecia.
Alopecia areata: The folks often say "ghost shaving" is actually alopecia areata, where round or oval hair loss spots suddenly appear on the top of the head. The initial manifestation is a small patch of hair loss, one or several patches, and some patients can run away from home with all their hair in a short period of time. There is no direct relationship between the onset of alopecia areata and age, and it may even occur in infants and young children. The earlier it is onset, the more difficult it is to treat, and the more severe it is.
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In outpatient clinics, alopecia areata is one of the most common alopecia diseases, and many alopecia areata with mild symptoms can heal itself. The newly-grown hair is soft and yellowish white, gradually darkening and thickening, and finally returning to normal.
Postpartum hair loss: The reason for postpartum hair loss is mainly a physiological phenomenon caused by hormone mutations. The specific manifestations are the decrease of hair during the growth period, the increase of hair during the regression period and the rest period, and the hair volume will be significantly reduced. Many parturients experience hair loss in 2-3 months postpartum, or they can begin to appear after 7 months postpartum. Generally, the more parities, the more severe the hair loss.
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postpartum hair loss is mostly related to mental factors, lifestyle, and hormone changes. After giving birth, mothers not only need to wake up at night to feed their babies, but they also need to bear a certain amount of psychological pressure, which will inevitably affect their daily life. Fortunately, most postpartum hair loss is self-healing, just live a good life, wait patiently, and the hair will come back.
traction alopecia: hair loss caused by long-term involvement, the curling iron used is too tight, the hair is combed hard or the hairpin is pulled, the ponytail or the hair is tied hardSuch habits can be caused.
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traction alopecia is generally sparse and does not fall off completely. The part of the hair loss is not fixed. Affected by habits, the hair loss caused by short-term traction can be restored, and long-term traction may cause permanent hair loss.
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now recalls how our mother helped us tie our hair when we were young, and the eyebrows were so tight as to raise the eyebrows. It seems to have discovered the truth about being a bald girl.
Hair loss during rest period: When the body is stimulated by the outside, more hair follicles enter the rest period and cause hair loss. These stimulating factors include: childbirth, major diseases, surgery, dieting, rapid weight loss, long-term staying up late, anxiety and stress, malnutrition, Iron deficiency anemia, medication (contraceptive pills, isotretinoin, etc.).
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usually loses hair 2-3 months after being stimulated. Alopecia is present on the entire head, and may be most pronounced on both sides of the temporal area. Hair loss during resting period generally does not require treatment. After removing the inducement, it will heal itself. Generally, the hair loss will stop in about 3 months, the hair will resume growth after 6 months, and it will fully recover after 12-18 months.
gives examples of the more common types of hair loss in clinic, which one have you got?
Reference source:
1. Chinese community doctors-"Common types of drugs that cause hair loss and prevention measures"
2. Journal of Shenyang Pharmaceutical University-"Alopecia Pathogenesis and New Progress in Prevention and Treatment Drugs"
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