5 causes of thin crown and whorl | Thorough explanation of how to identify and how to deal with it
table of contents

Source:pixta.jp
If the top of the head and whorls are thin, the volume of the hair as a whole will appear to be less.
When we think of the crown of the head, we tend to think of it as a problem for middle-aged men and above, but young people in their teens to 10s and women can also develop hair loss.
In this article, we will explain the causes of thinning hair on the top of the head and whorls, as well as how to identify and deal with thinning hair.
Article supervisor introduction
Aiko Isami
Representative Director of Next Beauty Labo General Incorporated Association
Dr. TOUHI AGA Clinic Director
[Career]
Graduated from the University of Tokyo Completed initial training at Nagaoka Red Cross Hospital
While specializing in neurology, he became aware of the importance of scalp and hair care after being involved in AGA treatment.
In 2023, we will open Dr. TOUHI AGA Clinic and Dr. TOUHI Hair Medical Salon, clinics that will help you with all your scalp and hair concerns.
If you notice that the top of your head is thin, we recommend that you first visit a clinic and get a diagnosis to see if it is AGA or if there is another cause.
Once you know the correct cause, you can find the correct solution and treatment.
*Click here for official website
Is the top of your head/whorl thin? How to distinguish between normal and abnormal

Source:pixta.jp
The crown of your head cannot be seen just by looking straight into the mirror, so even if your hair is thinning, you may not notice it yourself.
You may overlook it and think, ``Maybe it's just my imagination.''
However, in the case of progressive alopecia, such as AGA, if untreated, the hair thinning will gradually become worse, so early treatment is important.
Here, we will introduce how to identify thinning hair on the top of the head that may be due to alopecia.
Is the scalp visible?
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First, let's check the volume at the top of your head.
It is easier to check if you have someone else help you or use a triangular mirror.
When checking, pay attention to whether the scalp at the top of your head is visible.
Even on a healthy scalp, the scalp can be seen in the center of the whorls, but in cases of abnormal hair thinning or alopecia, the boundaries between the whorls are blurred and the scalp is visible over a wide area.
Pay attention to the shape of the hair root
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You should also be careful if the hair roots are thin.
If you find loose hair in your room, instead of throwing it away, pay attention to its shape.
Healthy, loose hair is characterized by a matchstick-shaped hair root and a plump, rounded silhouette.
On the other hand, if the hair roots have no fullness and are thinner or have a distorted shape, there may be a hidden scalp problem such as thinning hair or alopecia.
Causes of thin crown and whorl

Source:pixta.jp
The following are the main causes of thin crown and whorl.
1. Progressive alopecia (AGA/FAGA)
2. Disturbed lifestyle habits
3. Hair loss due to stress
4. Drinking/Smoking
5. Hairstyles that put stress on your hair
1. You have progressive alopecia (AGA/FAGA)
Source:pixta.jp
If you feel that the crown and whorl of your head are thin, you may be suffering from androgenetic alopecia (AGA) or female androgenetic alopecia (FAGA).
Androgenetic alopecia (AGA)
AGA is an abbreviation for "Androgenetic Alopecia" and refers to androgen-type progressive alopecia (*1).
Unlike hair thinning caused by stress or an irregular lifestyle, hair loss is a progressive condition, so the symptoms will gradually worsen unless appropriate treatment is given.
The symptoms of AGA are patterned and classified to some extent, and the most common case is the gradual spread of thinning hair on the crown and frontal region (hairline) (*2).
Furthermore, AGA is said to occur in approximately 30% of all Japanese men (*3), so it is highly likely that the thin crown and whorls are the cause.
*1, 2, 3:“Male pattern and female pattern hair loss treatment guidelines 2017 edition” reference
Female androgenetic alopecia (FAGA)
Not only men but also women may experience thinning hair on the top of their heads due to progressive alopecia.
In women, this condition is called FAGA (Female Androgenetic Alopecia), and it is characterized by hair thinning over a relatively wide area, even on the top of the head (*).
* “Male pattern and female pattern hair loss treatment guidelines 2017 edition” reference
2. Disturbed lifestyle habits
Source:pixta.jp
If your lifestyle is disrupted, hair growth may be hindered and scalp problems may occur.
This is especially important if you have an unbalanced diet, or if you are concerned about lack of exercise or sleep.
3. Hair loss due to stress
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Physical abnormalities such as hair loss and thinning hair can also be caused by excessive stress.
Disturbances in the autonomic nervous system and hormonal balance can lead to alopecia areata and diffuse alopecia.
In order to live a life as stress-free as possible, try to refresh yourself on a daily basis.
Tips for stress relief
- Eliminate causes of stress (work, relationships, etc.)
・Refresh yourself on holidays
・Fill the bath with hot water and take a slow bath.
- Find a hobby that you can immerse yourself in
4. Drinking/Smoking
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Many people have the impression that drinking and smoking are bad for the body.
Excessive drinking and smoking can cause various physical problems, but they also often lead to scalp problems.
This is because smoking cigarettes obstructs blood flow due to the nicotine effect, and excessive alcohol consumption prevents the nutrients needed for hair growth from flowing.
If you are a regular smoker, it may be difficult to quit suddenly, but try starting by reducing the number of cigarettes you smoke little by little.
Also, there is a theory that there is no problem with drinking alcohol as long as you enjoy it, so we recommend that you limit the amount to an appropriate amount by taking a day off from drinking alcohol and consulting with your constitution and physical condition.
5. Hairstyles that put stress on your hair
Source:pixta.jp
Continuing to wear hairstyles that put stress on your hair, such as an all-back hairstyle or ponytail, can cause ``traction alopecia.''
Traction alopecia is a condition in which hair loss occurs due to damage that accumulates on the scalp and hair roots.
What to do if you have traction alopecia
・Change your hairstyle to one that is as stress-free as possible
・Have a different hairstyle every day
-Change the parting regularly
・If you have long hair, cut it short
What to do when the crown of the head and whorls are thin

Source:pixta.jp
From here, we will introduce what to do when the top of the head and whorls are thin. There are three main solutions:
・Receive treatment for AGA/FAGA
・Review lifestyle habits
・Change your hairstyle/hair style
Receive treatment for AGA/FAGA
Source:pixta.jp
If your hair is thinning due to AGA/FAGA, the most effective way to deal with it is to receive appropriate treatment.
AGA/FAGA is a progressive type of hair loss (*), and the symptoms will almost never recover naturally without treatment.
If you notice noticeable thinning hair on the top of your head, especially in middle-aged and older people, there is a high possibility that AGA/FAGA is the cause.
Even if you don't know the cause but are concerned about thinning hair, the first thing you should do is visit a clinic and consult a specialist.
*“Male pattern and female pattern hair loss treatment guidelines 2017 edition” reference
Review lifestyle
Source:pixta.jp
Although it is not expected to have the same direct effects as treatment, it is also very important to lead a regular lifestyle.
If you are leading an irregular lifestyle, please take a look at your lifestyle habits.
Key points for regular lifestyle habits
・Nutritionally balanced diet
・Eat three meals a day
・Get good quality sleep
・Keep in mind proper exercise
Change your hairstyle/hairstyle
Source:pixta.jp
If you are suffering from traction alopecia, change your hair style to one that does not put stress on your scalp or hair.
Also, if you are concerned about the appearance of the top of your head, we recommend that you ask about it during your haircut at the beauty salon.
Try to cover up your thinning hair by changing your hairstyle, such as the ``soft mohican'' that adds volume to the top of your head, or the ``fashionable shaved head'' that shortens your hair overall to make thinning hair less noticeable.
Recommended hairstyles for thinning hair on the top of the head
・Soft mohawk
・Stylish monk
·Berry Short
・Up bang style
"Dr. TOUHI AGA Clinic" for thinning hair and baldness on the top of the head

If you feel that the top of your head is thin, we recommend that you first consult an appropriate clinic.
"Dr. TOUHI AGA Clinic" handles multiple types of AGA treatment drugs (*1) recommended by the AGA treatment guidelines (*2) established by the Japanese Dermatological Association, as well as FAGA treatment for women. We are compatible.
We also accept consultations in advance, so if you are unsure about whether or not to undergo treatment, please feel free to contact us.
*1:“Male pattern and female pattern hair loss treatment guidelines 2017 edition” reference
*2: Free medical treatment.
Supporting the creation of a healthy hair foundation with AGA treatment and medical head spa
At Dr. TOUHI AGA Clinic, we not only provide AGA treatment based on medical evidence, but also scalp care using a medical head spa.
Thoroughly supports the creation of a healthy scalp to keep it clean and grow healthy hair!
A hairdresser will perform a custom-made head spa based on each individual's scalp data and interview details.
Careful counseling by a beautician
A major feature of Dr. TOUHI AGA Clinic is that experienced beauticians provide careful counseling and propose appropriate treatment plans according to each individual's scalp and hair type.
Furthermore, we have a wide variety of treatment plans to suit your needs! In addition to our original plan that combines AGA treatment and medical head spa, we also offer a full support plan for those who want to do everything possible, so the fact that you can choose according to your budget and situation is a big attraction.
If you feel that the top of your head and whorls are thin, could it be AGA? It is important to receive appropriate treatment

Source:pixta.jp
We explained the causes of thinning hair on the top of the head and whorls, as well as how to identify and deal with thinning hair.
There are various causes of thinning hair, but if you develop progressive hair loss AGA/FAGA, it is important to receive appropriate treatment.
If you feel that the top of your head is thin, first consult a clinic that provides treatment.
Article supervisor

Director of Dr. TOUHI CLINIC
Aiko Isami
Aiko IsamiGraduated from the University of Tokyo Completed initial training at Nagaoka Red Cross Hospital
While specializing in neurology, he became aware of the importance of scalp and hair care after working in AGA treatment. In 2023, he opened "Dr. TOUHI CLINIC" and "Dr. TOUHI SALON," clinics that cater to all scalp and hair problems.
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