Common Hair Concerns: Myths and Facts About Hair Care - Dermatology

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Hair issues!


Hello, Dr.
Jiang! I have a few questions to ask you! 1.
I heard that you shouldn't comb your hair when it's wet because it can damage the hair cuticles.
Is that true? 2.
If the hair cuticles are damaged, will it lead to hair loss? 3.
Can damaged hair cuticles recover and grow back? 4.
Will lost hair grow back? 5.
Additionally, I've heard that having a lot of heat in the body can also cause hair loss? 6.
Following up on that, will the hair grow back? Thank you for your answers!

Bai Da Tong, 10~19 year old female. Ask Date: 2007/08/17

Dr. Jiang Zheen reply Dermatology


The scales of the hair are actually the cuticle, which is made up of dead cells.
Whether the hair is wet or dry after washing, brushing it does not have a significant impact.
Hair loss is not related to the hair cuticle.
Hair will continue to grow, and the cuticle of newly grown hair will still be normal.
Hair loss caused by emotional or psychological factors usually grows back.
Wishing you peace, Jesus loves you.

Reply Date: 2007/08/17

More Info


Hello! Thank you for your questions regarding common hair concerns. Let's address each of your queries with a detailed explanation based on medical knowledge.

1. Can you comb wet hair? It is often advised to be cautious when combing wet hair. Hair is more vulnerable when wet because the cuticle (the outer layer of the hair) is lifted, making it more susceptible to damage. If you must comb your hair while it’s wet, use a wide-tooth comb and be gentle. Avoid tugging or pulling, as this can lead to breakage.

2. Does damaged cuticles lead to hair loss? While damaged cuticles can make hair look frizzy and unhealthy, they do not directly cause hair loss. Hair loss is typically related to factors such as genetics, hormonal changes, and health conditions. However, if the hair is damaged and breaks off, it may appear as if you are losing hair.

3. Can damaged cuticles recover? Yes, hair cuticles can recover to some extent. Regular conditioning treatments, using leave-in conditioners, and minimizing heat styling can help smooth the cuticle and improve the overall appearance of your hair. However, once hair is cut or broken, it cannot be repaired; the only solution is to let it grow out and trim the damaged ends.

4. Will lost hair grow back? Whether lost hair will grow back depends on the underlying cause of the hair loss. If the hair follicles are still healthy and functional, there is a good chance that hair will regrow. Conditions like telogen effluvium (temporary hair loss due to stress or illness) often see regrowth once the triggering factor is resolved. However, if hair loss is due to conditions like androgenetic alopecia (male or female pattern baldness), regrowth may be more challenging and may require treatment.

5. Can stress lead to hair loss? Yes, stress can contribute to hair loss. Conditions such as telogen effluvium can occur after a stressful event, leading to increased shedding. Chronic stress can also exacerbate other hair loss conditions. Managing stress through relaxation techniques, exercise, and proper sleep can be beneficial for overall health, including hair health.

6. Will hair grow back after stress-related loss? In many cases, hair can regrow after stress-related hair loss, especially if the stressor is identified and managed. It may take several months for hair to return to its normal growth cycle, so patience is key.

In summary, while there are many myths surrounding hair care, understanding the facts can help you make informed decisions. Taking care of your hair involves gentle handling, proper nutrition, and managing stress levels. If you are experiencing significant hair loss or changes in your hair, it is advisable to consult a dermatologist or a healthcare professional for a thorough evaluation and personalized treatment options. Remember, maintaining a healthy lifestyle, including a balanced diet rich in vitamins and minerals, can also support hair health. Thank you for your questions, and I hope this information helps you in your hair care journey!

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