Hair Loss: Common Questions and Expert Answers - Dermatology

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Dr.
Jiang: Hello! I have a few questions to ask you! 1.
My hair is too long and hot.
I often push aside my bangs and notice that my scalp and hair are oily and damp.
I've heard from my teacher that there are many bacteria in hair, and having long hair is not good.
Could this be a reason for my receding hairline? 2.
If the answer to the first question is "yes," does this mean that the hair follicles are damaged? Will the hair that has fallen out grow back? 3.
Does using a hairdryer or not using one cause damage to the hair follicles leading to hair loss? 4.
Poor sleep and frequent dreaming—could this be a reason for hair loss? 5.
Poor sleep quality, high stress, and significant mood fluctuations—could these be reasons for hair loss? 6.
If the answer to the fifth question is "yes," will my hair grow back once I return to a normal routine?

Xiān, 10~19 year old female. Ask Date: 2006/09/19

Dr. Jiang Yujiao reply Dermatology


Hello: In response to your question, oily scalp is caused by overactive sebaceous glands.
Sometimes, it can indeed be accompanied by the proliferation of bacteria and fungi, but it does not lead to hair loss.
If hair loss does occur, it will regrow, as the hair follicles do not die.
Poor sleep, high stress, and negative emotions are more likely to contribute to hair loss.
You can rest assured that this hair loss consists of telogen phase hairs, which will regrow once the underlying causes are addressed.
However, hair growth is very slow, so patience is required.

Reply Date: 2006/09/19

More Info


Hair loss is a common concern that can stem from various factors, and it’s important to understand the underlying causes and potential solutions. Let’s address your questions one by one.

1. Long Hair and Bacteria: Keeping your hair long and not maintaining proper hygiene can indeed lead to a buildup of oils and bacteria on the scalp. This can contribute to scalp issues, which may indirectly affect hair health. However, hair length alone is not a direct cause of hairline recession. Factors such as genetics, hormonal changes, and overall scalp health play a more significant role in hair loss.

2. Follicle Damage: If hair follicles are damaged or "dead," it can lead to permanent hair loss. However, not all hair loss is permanent. If the follicles are still alive but inactive, there is a possibility that hair can regrow, especially if the underlying cause is addressed. Treatments such as minoxidil or finasteride may help stimulate hair regrowth in some individuals.

3. Blow Drying: The use of a blow dryer can potentially damage hair if used improperly, such as using high heat too close to the scalp. However, it is unlikely to cause hair follicle death directly. It’s essential to use heat protectants and keep the dryer at a safe distance to minimize damage.
4. Sleep Quality and Dreams: Poor sleep quality and frequent dreaming can contribute to stress and fatigue, which are known factors that can exacerbate hair loss. Sleep is crucial for overall health, including hair health, as it allows the body to repair and regenerate.

5. Stress and Emotional Well-being: High levels of stress and emotional fluctuations can significantly impact hair health. Stress can lead to a condition called telogen effluvium, where hair follicles prematurely enter the resting phase, leading to increased shedding.
6. Recovery After Stress: If stress and sleep issues are addressed, there is a good chance that hair can regrow, provided the follicles are still healthy. It may take several months to see noticeable improvements, as hair growth is a slow process.
In summary, hair loss can be multifactorial, involving genetics, hormonal changes, stress, and scalp health. If you are experiencing significant hair loss, it is advisable to consult a dermatologist or a trichologist who can assess your scalp and hair condition. They may recommend treatments or lifestyle changes tailored to your specific situation.
In addition to professional advice, maintaining a balanced diet rich in vitamins and minerals, managing stress through relaxation techniques, and ensuring good sleep hygiene can all contribute positively to hair health. Regular scalp care, including gentle cleansing and moisturizing, can also help maintain a healthy environment for hair growth.
Remember, early intervention is key. If you notice excessive hair loss or changes in your hair texture, seeking medical advice sooner rather than later can lead to better outcomes.

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