Scalp, Dermatology FAQ

Understanding Hair Thinning: Causes, Risks, and Treatment Options

Hair thinning Hello Dr. Huang, I have recently noticed that the hair on the upper sides of my ears is sparse and thinning, while the rest of my scalp appears normal. Am I at risk of baldness? Additionally, my hair is very fine; is there a way to improve this? I live in Taichung. ...

Dr. Huang Ruiyun Reply:
In Taichung, many large hospitals have dermatology departments where you can seek treatment. The attending dermatologists at regional teaching hospitals or medical centers hold board certifications in dermatology. Recommendations will be provided after the consultation.

Is Hair Dye Safe? Understanding Risks for Health and Skin

Is dyeing hair bad for the body? Hello Dr. Huang, I would like to ask you about my concern regarding white hair. I want to dye my hair, but I've heard that hair dye can cause cancer and is harmful to the eyes, kidneys, and liver. I am somewhat skeptical about this, especiall...

Dr. Huang Ruiyun Reply:
The only group of people I would advise against dyeing their hair is those who are allergic to hair dye. For everyone else, if they enjoy dyeing their hair, they should feel free to do so; there's no need to worry about the relatively low risk of bladder cancer associated wi...

Managing Persistent Skin Conditions: Seeking Effective Treatment Solutions

Itchy skin with a rash? Hello, my husband suddenly developed several skin conditions that have persisted for 8 to 9 months. He has hand dyshidrotic eczema (which is not itchy), folliculitis on his body, eczema, and seborrheic dermatitis on his scalp. This has been troubling us fo...

Dr. Zhong Yitun Reply:
The patient's skin condition includes eczema, folliculitis, and seborrheic dermatitis on the scalp, which suddenly appeared about 8-9 months ago. It is necessary to determine whether this is caused by external stimuli or allergies, which requires an examination by a dermatol...

Understanding Scalp Peeling: Causes and Solutions for Skin Issues

Annoying itch? Hello, doctor. It seems that the area on my forehead close to my hairline is peeling; this hasn't happened before. Recently, I sustained an injury just above my right temple. I'm wondering if there might be an issue with my scalp. If it were a scalp condi...

Dr. Jiang Zheen Reply:
I believe it is likely unrelated to any issues inside the head and is simply a skin problem on the scalp, possibly seborrheic dermatitis. You can use anti-dandruff shampoo or Ren Shen Li Shu shampoo. If there is no improvement, please consult a dermatologist for treatment. Wishin...

Best Hair Care Products and Foods for Healthy Hair Growth

About hair? Hello Doctor: My hair is relatively thick, but it tends to get oily and flat if I don't wash it for a day. Therefore, I use a gentle shampoo daily. Could you please recommend some hair care products that are beneficial for my hair? Additionally, what foods should...

Dr. Zheng Lizhen Reply:
Hello! You may start by using a shampoo designed for oily scalp. If there is no improvement, please visit a dermatologist. Sincerely, Dr. Cheng Li-Chen, Department of Dermatology, Taoyuan Hospital, Ministry of Health and Welfare.

Is It Tinea? Understanding White Patches and Hair Loss on the Scalp

Is it tinea? Hello, Dr. Jiang. I have a white circular patch on my forehead near the hairline that appeared about a year ago, roughly the size of a ten-dollar coin. At first, it didn't feel like much; it was just a bit whiter than the surrounding skin, and it wasn't pai...

Dr. Jiang Zheen Reply:
Dear Sunny: First, we need to check if there is any scaling in the white area. If there is scaling along with hair breakage, we should consider the possibility of tinea capitis. However, in modern society, tinea capitis is rarely seen at this age. It is best to visit a dermatolog...

Addressing Hair Loss: Common Concerns and Treatment Options

Hair loss issues Hello, doctor. 1. Will using Rogaine cause any odor? 2. Since I sweat frequently due to my job, can I use KIRKLAND? Will it reduce the effectiveness of the medication? 3. My face and hair are oily, but I do not have flaking. Is this seborrheic dermatitis or o...

Dr. Zhong Yitun Reply:
1. Using Rogaine (minoxidil) may have a slight odor due to its solvent, but it should not be very strong or "irritating," and it should not attract attention from others. However, it is important to note that the active ingredient in Rogaine is also a type of antihypert...

Understanding Seborrheic Dermatitis: Symptoms, Triggers, and Dietary Tips

Seborrheic dermatitis Is this type of dermatitis sensitive to wind exposure? Additionally, would massaging the scalp potentially improve the secretion of oil from the scalp? Furthermore, I previously had dandruff without experiencing much itching, which I considered a healthy sta...

Dr. Chen Yiying Reply:
Hello: In response to your question, seborrheic dermatitis is commonly exacerbated during seasonal changes. Additionally, insufficient sleep, irregular routines, and high levels of stress can contribute to its onset. Foods that are high in calories, such as greasy foods, hot tea,...

Understanding Hair Loss After Pregnancy: Causes and Solutions

Three thousand worries and troubles..? Question: Asking Person: Tina / Female / 28 / 2002/02/13 Hello Dr. Zheng, I have been experiencing abnormal hair loss for two weeks, especially when washing or combing my hair, it seems to be getting worse. I have a four-month-old baby; co...

Dr. Zheng Lizhen Reply:
Hello! When the scalp hurts, it usually indicates that it is too tight. Best wishes for health from Dr. Cheng Li-Chen, Department of Dermatology, Taoyuan Hospital, Ministry of Health and Welfare.

Understanding Genetic Hair Loss: Effects and Risks of Loniten Treatment

Alopecia Hello Dr. Cheng, my hair loss is due to hereditary baldness, which is a phenomenon seen in all the men in my family. Two months ago, I was introduced to Loniten (minoxidil) by a friend, and I have been taking it for two months now. I have noticed quite a bit of fine hair...

Dr. Zheng Lizhen Reply:
The active ingredient of Loniten is Minoxidil. Precautions during use include: 1. Generally, (1) monitor fluid balance and body weight. (2) Observe for symptoms of pericardial effusion. (3) Patients with renal failure or those on dialysis may require lower doses. 2. Laboratory te...

Does Conditioner Residue Harm Your Scalp? Tips for Proper Use

Conditioner If conditioner is left on the scalp, can it cause damage to the scalp? How should I use it correctly? I'm worried that rinsing too thoroughly will eliminate the conditioning effect.

Dr. Jiang Zheen Reply:
There shouldn't be any major harm, but if you're concerned, you might want to avoid using conditioner every time.

Understanding Seborrheic Dermatitis and Folliculitis: Treatment Insights

Seborrheic dermatitis and folliculitis? Polytar Liquid is effective for seborrheic dermatitis of the scalp; does it also have the same efficacy for scalp folliculitis? What are the differences between seborrheic dermatitis of the scalp and scalp folliculitis? Currently, I am taki...

Dr. Chen Yiying Reply:
Hello: In response to your question: Folliculitis is caused by the obstruction of sebaceous glands or bacterial infection, and clinically presents as red bumps, which is different from seborrheic dermatitis. Polylactone solution has anti-inflammatory effects, but its efficacy on ...

Understanding Scalp Issues: Causes, Symptoms, and Treatments

Scalp issues Hello, doctor. I often experience an increase in dandruff, and I also have small bumps on my scalp that are very uncomfortable. Could you please tell me what these bumps are? (They are similar to acne but without pus.) Is this situation serious? What treatments are a...

Dr. Chen Yiying Reply:
Hello: In response to your question regarding the bumps on your scalp, they may be due to seborrheic dermatitis or folliculitis. Possible causes include lack of sleep, changes in climate, poor hair washing and care practices, as well as excessive consumption of greasy and irritat...

Managing Oily Scalp and Acne: Effective Solutions for Seborrheic Dermatitis

Excessive sebum production (acne and oily skin)? I am 21 years old and have been struggling with an oily scalp for many years. I have consulted a doctor who diagnosed me with seborrheic dermatitis and recommended using Renshan Lishu; however, my condition has not improved after u...

Dr. Jiang Zheen Reply:
Dear Michelle: Currently, there are only two main classes of medications known to inhibit sebaceous glands: oral retinoids and oral female hormones. There is still no effective topical medication available; however, if these medications are discontinued, sebaceous gland secretion...

What to Do About Itchy, Painful Bumps on Your Scalp?

What should I do? I have been feeling uncomfortable in my head lately, as I have developed some raised, large bumps that are somewhat itchy and sore. However, I am very clean and wash my hair every day.

Dr. Jiang Zheen Reply:
Ms. Liu: You should visit a dermatology clinic, where you can receive excellent treatment and explanations. Wishing you well.

Health Risks of Hair Dye: Understanding Its Effects on Your Body

Hair dyeing I would like to ask what kind of harm dyeing hair can cause to the body. Yesterday, I went to the store and bought hair dye and dyed my entire head. However, when I woke up today, I have been feeling lethargic, have a slight headache, and lack energy. I am unsure if t...

Dr. Jiang Zheen Reply:
The most common skin issue caused by hair dye is an allergic reaction. As for your headache, it is advisable to monitor it for a while to see if there are other underlying causes. The blood vessels in the scalp are mostly not connected to those in the brain, so there is no need t...

Health Risks of Hair Dye: Symptoms and When to Seek Medical Help

Hair dyeing (a bit urgent) thank you? I would like to ask what kind of harm dyeing hair can cause to the body. Yesterday, I went to the store and bought hair dye and dyed my entire head. However, since I woke up today, I have been feeling lethargic, experiencing a slight headache...

Dr. Liao Wenyu Reply:
Hair dye, in general, does not cause immediate harm to the skin or body. However, some individuals may be allergic to hair dye, and there are sporadic reports suggesting a potential increase in the risk of cancer. Due to the sporadic nature of these reports, hair dye has not been...

Am I Suffering from Seborrheic Dermatitis? Hair Loss Concerns Explained

Could you please tell me if I have developed seborrheic dermatitis? I have been experiencing abnormal hair loss for three months, and I am very worried that my hair will continue to thin. I have visited many websites and read several books about hair loss, and I found that my sym...

Dr. Chen Yiying Reply:
Hello: In response to your question: First of all, hair loss is not a manifestation of seborrheic dermatitis. The white substance surrounding the hair roots may be normal hair sheaths or other substances (such as lice eggs). The protrusions on the scalp can have many possibilitie...

Understanding Seborrheic Dermatitis: Causes, Symptoms, and Resources

May I ask the doctor? In the past, I have always had dandruff, and the skin on either side of my nose has been dry. A doctor informed me that I have seborrheic dermatitis. I have seen a doctor and used Renshan Lishu shampoo, which has somewhat controlled the condition. However, r...

Dr. Zheng Lizhen Reply:
If you have already been examined by a dermatologist, it is likely seborrheic dermatitis. Seborrheic dermatitis cannot be completely cured. Some researchers believe that Malassezia yeast may be one of the causes of seborrheic dermatitis. Additionally, factors such as staying up l...

Understanding Pubic Hair Growth: What to Expect at 18 and Beyond

Pubic hair I am 18 years old. Until what age will pubic hair grow, and what is its growth pattern? I have only a little pubic hair; how long will it continue to grow?

Dr. Jiang Zheen Reply:
Pubic hair, like scalp hair, has a growth phase, a resting phase, and a shedding phase. However, it does not grow as long as scalp hair. Similar to scalp hair, pubic hair can fall out and regrow, and it can also have various textures, including curly and straight. Wishing you pea...

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