Understanding Itchy Scalp: Causes, Symptoms, and Remedies
Scalp itching issue? It seems that for about a month now, my scalp hasn't had dandruff at first, but it has been very itchy without any redness or swelling. Recently, after washing my hair, my scalp feels very dry, with patches that look like peeling skin, and it is still ve...
Dr. Wu Yuxin Reply:
You should consider scheduling a medical appointment. Without actually seeing the lesion, it's impossible to determine the issue. We need to examine it to understand what the problem is and how to address it.[Read More] Understanding Itchy Scalp: Causes, Symptoms, and Remedies
Understanding Scalp Bumps: Causes, Treatments, and Hair Growth Concerns
Scalp protrusion Hello Doctor: Recently, my scalp may have been injured due to hair dye, and I have developed a colorless, raised bump that feels hard to the touch. I only feel it when I press down hard; otherwise, it is not painful or itchy. The doctor mentioned it could be foll...
Dr. Wu Yuxin Reply:
1. This part cannot be answered. 2. Chronic inflammation may lead to hair loss; it is advisable to pursue active treatment.[Read More] Understanding Scalp Bumps: Causes, Treatments, and Hair Growth Concerns
Understanding Scalp Issues: Causes, Treatments, and When to Worry
Scalp issues Hello Doctor: At the beginning of September, I noticed a raised, skin-colored bump on my scalp that is not painful and has been there for an uncertain amount of time. It may have been caused by a hair dye injury in July, but I'm not sure if it's in the same...
Dr. Wu Yuxin Reply:
No lesions were observed, and it is not possible to determine the issue. If this is causing significant distress, please seek medical attention promptly.[Read More] Understanding Scalp Issues: Causes, Treatments, and When to Worry
Can You Dye Your Hair with Hives? Expert Dermatologist Advice
Can individuals with urticaria dye their hair? I would like to ask the doctor if it's safe to dye or bleach my hair with urticaria. I haven't taken any medication or applied any topical treatments, and my hives have improved recently. I'm wondering if there will be...
Dr. Li Yufen Reply:
Hello: For a detailed introduction to urticaria, you can refer to the article by Med's Good Friend at https://www.medpartner.club/urticaria-treatment-prevention-introdution/. Since this is your first time dyeing your hair and you are unsure if you might be allergic to hair d...[Read More] Can You Dye Your Hair with Hives? Expert Dermatologist Advice
Understanding Hair Dye Reactions: When to Seek Medical Advice
Hair dyeing issues I would like to ask Dr. Wu... Last night, I dyed my hair myself and I'm not sure what happened (I usually dye my hair 2-3 times a year at a salon, and I also have a habit of using at-home hair dye to cover my gray hair). After dyeing my hair last night, I ...
Dr. Wu Yuxin Reply:
First, see a dermatologist.[Read More] Understanding Hair Dye Reactions: When to Seek Medical Advice
Does Caffeine Absorb Through Skin and Affect Pregnant Women?
Does caffeine get absorbed through the skin? Hello Doctor: I have had premature graying since childhood. I started dyeing my hair in college and have continued until now. However, I have paused dyeing my hair during my pregnancy preparation and pregnancy period due to concerns ab...
Dr. Wu Yuxin Reply:
I'm not sure about this, as I don't know if the size of caffeine molecules in brewed coffee can penetrate the skin barrier.[Read More] Does Caffeine Absorb Through Skin and Affect Pregnant Women?
Swollen Bumps Behind Ear After Hair Dye: Causes and Solutions
There is a small swollen area behind the ear after dyeing hair? Hello doctor, I would like to ask about something. Recently, after dyeing my hair and bleaching it, I noticed a small, swollen lump behind my left ear the next day. It hurts a little when pressed, and my scalp feels ...
Dr. Wu Yuxin Reply:
Without actually seeing the lesion, it is impossible to determine the issue. If it is very concerning, please seek medical attention as soon as possible. A proper examination is necessary to understand the problem and to determine the appropriate course of action.[Read More] Swollen Bumps Behind Ear After Hair Dye: Causes and Solutions
Hair Dye Concerns: Is It Safe for Your Ears?
Hair dye issues? Hello, doctor. I would like to ask you a question. After dyeing my hair today and taking a shower at home, I noticed that there was dye on my ear. I used a cotton swab several times to remove most of the dye residue, but my ear became quite red. I would like to k...
Dr. Wu Yuxin Reply:
There should be no issues as long as there are no irritations or allergic reactions.[Read More] Hair Dye Concerns: Is It Safe for Your Ears?
Hair Dyeing and Male Pattern Baldness: What You Need to Know
Hair dyeing and male pattern baldness? Doctor, I would like to ask, since I was diagnosed with male pattern baldness stage II to III over a year ago, I have been taking finasteride for a year, but there has been no increase in hair growth during this time. Does this mean that the...
Dr. Wu Yuxin Reply:
Hair dyeing and male pattern baldness are two different issues. Hair loss caused by damage from dyeing needs to be evaluated in person. I am not sure whether avoiding contact with the scalp and using hair care products after dyeing can help prevent hair loss.[Read More] Hair Dyeing and Male Pattern Baldness: What You Need to Know
Does Hair Dyeing Without Gloves Cause Muscle Twitches?
When washing your hair after dyeing it? I apologize for the inconvenience. I have premature graying, so I dye my hair approximately every 2 to 3 months, but it's always done by a family member who applies the dye, and I wash it out myself. However, I don't wear gloves w...
Dr. Wu Yuxin Reply:
It should be unrelated.[Read More] Does Hair Dyeing Without Gloves Cause Muscle Twitches?
Understanding Hair Loss: Is It Stress, Seborrheic Dermatitis, or Genetics?
Regarding hair loss issues? Hello Doctor, I would like to ask about a condition I've been experiencing since middle school, where I've had small pimples on my scalp. After consulting a doctor, I was diagnosed with seborrheic dermatitis. Over the years, my condition has ...
Dr. Wu Yuxin Reply:
Without actually observing the hair loss situation, it is difficult to confirm. If it is causing significant distress, it is advisable to seek medical attention as soon as possible.[Read More] Understanding Hair Loss: Is It Stress, Seborrheic Dermatitis, or Genetics?
Does Daily Use of Hair Growth Lotion Affect Bladder Health?
Use of hair growth lotion? I would like to ask the doctor: Common hair dyes can be harmful to the bladder. If I use a hair growth solution (purchased from a hospital and approved) every day, will it also be harmful to the bladder? Thank you.
Dr. Wu Yuxin Reply:
I won't.[Read More] Does Daily Use of Hair Growth Lotion Affect Bladder Health?
Hair Dye Allergies: Understanding Skin Reactions and Seeking Help
Hair Dye and Allergies (Forwarded from the Director's Mailbox) Dear Director, I have been using a hair dye (Mei Wu Fa Quick Care Hair Dye Cream, No. 7 Natural Black Brown) for several years, and after its application, I gradually developed symptoms such as skin redness, itc...
Dr. Guo Fengsheng Reply:
Photosensitivity caused by hair dye is indeed documented in the literature, but it is still related to individual constitution. It is advisable to visit a dermatology clinic at a major medical center for relevant examinations to determine the association.[Read More] Hair Dye Allergies: Understanding Skin Reactions and Seeking Help
Is Hair Dye Safe for Those with Pityriasis Rosea?
Can individuals with pityriasis rosea dye their hair? Hello Dr. Huang, I would like to ask you about something. I have never had pityriasis rosea before, but this year I started experiencing it, and it has been recurring for almost 10 months. Sometimes I even have 1-2 spots on my...
Dr. Huang Ruiyun Reply:
Hello: The main concern with hair dyeing is whether it can trigger allergies (contact dermatitis). It is recommended that you first mix a few drops of the hair dye (which should consist of two components) to create a test solution, and apply it to clean skin. Try not to wash or r...[Read More] Is Hair Dye Safe for Those with Pityriasis Rosea?
Can Hair Dye Cause Scalp Breakouts in Sensitive Skin?
The issue of hair dye and scalp rashes? Hello, I dyed my hair about three weeks ago. Could my hair dye be causing my boyfriend to develop acne near his hairline? He has sensitive skin, and we share the same pillow. Could my hair touching his skin lead to acne or trigger an allerg...
Dr. Mao Mingya Reply:
Hello: The causes of acne include clogged pores, excessive sebum production, proliferation of Propionibacterium acnes, and hormonal changes. The factor most related to hair is clogged pores. Some individuals who prefer bangs may experience continuous irritation of the forehead sk...[Read More] Can Hair Dye Cause Scalp Breakouts in Sensitive Skin?
Hair Dyeing Before Tooth Extraction: What You Need to Know
Hair dyeing? Tooth extraction~ I plan to dye my hair, but I have a tooth extraction scheduled for that same evening. Will this have any impact?
Dr. Zhang Zhibo Reply:
Hello: There is no correlation between hair dyeing and tooth extraction![Read More] Hair Dyeing Before Tooth Extraction: What You Need to Know
Understanding Hair Loss: When to See a Dermatologist for Treatment
Hair loss Hello, doctor. I seem to notice that I lose quite a bit of hair every time I wash my hair, and it feels like the hair on the top of my head is thinning. There is no history of baldness in my family. Does the dermatology department at your clinic specialize in hair loss ...
Dr. Zhang Zhibo Reply:
Hello: The normal hair loss rate is about 100 strands per day. Generally, women experience central-pattern androgenetic alopecia, while men typically experience hair loss that recedes from the temporal sides towards the back, followed by central thinning. If there is hair loss, a...[Read More] Understanding Hair Loss: When to See a Dermatologist for Treatment
How to Check if Your Hair Follicles Are Still Alive?
How to check if hair follicles are still present? I saw a news story yesterday about a woman who nearly lost her life due to a hair washing incident, which could potentially leave her permanently bald. I would like to ask the doctor about my own scalp issues. I have been experien...
Dr. Zhang Zhibo Reply:
Hello, Xiao N: In fact, the news often highlights sensational stories to inform the public. The elderly woman in question may have multiple systemic diseases such as compromised immunity, diabetes, and heart disease, which can affect the scalp's resistance. The scalp has goo...[Read More] How to Check if Your Hair Follicles Are Still Alive?
Understanding Male Pattern Baldness: Myths, Treatments, and Concerns
Could you please clarify your question about baldness? Doctor, may I ask, a physician mentioned that a McDonald's hairstyle (M-shaped hairline) is definitely male pattern baldness. He said that anyone with this hairstyle will eventually experience hair loss, but the degree a...
Dr. Zheng Lizhen Reply:
Hello: The McDonald's sign (M-shaped) is a typical manifestation of male pattern baldness, but it does not mean that everyone with this hairstyle will experience hair loss. This hairstyle can certainly be maintained, but hair density naturally decreases with age (excluding t...[Read More] Understanding Male Pattern Baldness: Myths, Treatments, and Concerns
Can I Dye My Hair with Psoriasis on My Scalp?
Can you? My scalp tends to peel, and when I previously saw a doctor, I was diagnosed with psoriasis. After applying the medication, it improved, but once I stopped using it, it came back. I’ve heard it’s difficult to treat, so I decided to ignore it. However, can I still dye my h...
Dr. Jiang Zheen Reply:
Individuals with psoriasis on the scalp should avoid hair dye, as it can often exacerbate their condition. Wishing you well.[Read More] Can I Dye My Hair with Psoriasis on My Scalp?