Understanding Dark Skin Patches: Causes and Treatment Options
The skin color is dark? Hello, doctor: I have noticed that the skin color on my knees, especially under my arms, is darker. Is this a sign of a disease? I've heard that this phenomenon can occur in obese individuals, but I have always been of average build. I've also he...
Dr. Zheng Lizhen Reply:
Hello: It could be simply a case of hyperpigmentation or acanthosis nigricans, but a physical examination is necessary to confirm the diagnosis. Sincerely, Dr. Cheng Li-Chen, Dermatology Department, Taoyuan Hospital, Ministry of Health and Welfare.[Read More] Understanding Dark Skin Patches: Causes and Treatment Options
Post-Laser Care for Flat Warts: Sunscreen and Skincare Tips
Post-Laser Care and Sun Protection for Flat Warts Hello, I have extremely oily skin with a lot of acne. About three weeks ago, I underwent laser treatment for flat warts, so I would like to ask: 1. How can I apply sunscreen without clogging my pores and causing more acne? It se...
Dr. Zheng Lizhen Reply:
Hello: 1. Choose a lightweight sunscreen; a higher SPF does not necessarily mean it is greasier, but rather depends on the formulation of the product. Whether to use a facial cleanser depends on the condition of your skin; if it is too oily or dirty, it is better to cleanse it th...[Read More] Post-Laser Care for Flat Warts: Sunscreen and Skincare Tips
Post-Laser Care for Flat Warts: Tips for Oily Skin Management
Post-treatment care for laser therapy of flat warts? Hello, I have extremely oily skin and a lot of acne. About a month ago, I underwent laser treatment for flat warts, so I would like to ask: 1. How can I apply sunscreen without clogging my pores and causing more acne? It seem...
Dr. Huang Ruiyun Reply:
1. When selecting sunscreen products, foundations, lotions, etc., it is best to choose those labeled as non-comedogenic, non-acnegenic, or won’t clog pores, indicating a lower likelihood of causing acne. If you feel your face isn't clean, you can use your usual facial soap. ...[Read More] Post-Laser Care for Flat Warts: Tips for Oily Skin Management
Effective Treatments for Chickenpox Scars: Creams and Laser Options
Chickenpox scars Doctor: Is there any medication to apply for removing the "brown scars" left by chickenpox? If laser treatment is needed, how much does it typically cost?
Dr. Chen Yiying Reply:
Hello: In response to your question, I would like to know when you had chickenpox and how long it has been since the wounds healed. If the discoloration is due to post-inflammatory hyperpigmentation, simply avoiding sun exposure will allow the color to gradually return to your sk...[Read More] Effective Treatments for Chickenpox Scars: Creams and Laser Options
Understanding Intense Pulsed Light: Efficacy, Safety, and Choosing the Right Clinic
Intense Pulsed Light (IPL) 1. Is intense pulsed light effective for melasma? 2. Is intense pulsed light truly as gentle and non-rebounding as clinics claim online? 3. With the varying prices in the market, how should consumers choose? What does the term "generation"...
Dr. Chen Yiying Reply:
Hello, in response to your questions: 1. Lighter melasma may show some improvement, but it is essential to continue with sun protection and skincare afterward. 2. Intense Pulsed Light (IPL) has less destructive effects compared to lasers, but the treatment outcomes can vary based...[Read More] Understanding Intense Pulsed Light: Efficacy, Safety, and Choosing the Right Clinic
Understanding Darkening Around the Corners of Your Mouth
Question? Hello, could you please tell me why the area around my mouth is dark? Thank you.
Dr. Chen Yiying Reply:
Hello: In response to your question, it is difficult to provide an answer due to the limited information provided. If it is congenital, it may be some form of melanosis. If it has appeared recently, it could be considered post-inflammatory hyperpigmentation. However, for a defini...[Read More] Understanding Darkening Around the Corners of Your Mouth
Laser Treatment for Dark Circles: Safety, Costs, and Effectiveness
Pigmented lesions Dear Dr. Chen: Can dark circles caused by pigmentation be treated with laser therapy? Is it safe to use laser on the lower eyelid area where the skin is thinner? How is the cost of laser treatment calculated? Can pregnant women undergo laser treatment? Does your...
Dr. Chen Yiying Reply:
Hello: In response to your question, if there are noticeable spots, laser treatment can be used to remove the deeper pigmentation. The eyelid area may be more painful, and sometimes local anesthesia may be required. If there are suitable lesions, laser treatment can still be appl...[Read More] Laser Treatment for Dark Circles: Safety, Costs, and Effectiveness
Effective Solutions for Persistent Acne and Scarring in Taiwan
excuse me? Hello Dr. Jiang, I would like to ask about my ongoing acne problem. It sometimes improves, but I have heard that I shouldn't squeeze my acne, so I have been hesitant to treat it myself and have let it run its course. However, it almost always leaves noticeable s...
Dr. Jiang Zheen Reply:
Dear Chu Liuxiang: Acne is a skin condition that may require the assistance of a dermatologist when it becomes severe. I rarely see cases of acne that cannot be treated, but it is important to have patience, as the typical treatment duration is 2-3 months. Treatment often involve...[Read More] Effective Solutions for Persistent Acne and Scarring in Taiwan
Effective Treatments for Acne Scars: Expert Advice for Patients
excuse me? Hello Dr. Cheng, I have acne that has improved by about 60%, but my face is covered in scars, commonly referred to as "strawberry skin." What remedies do you recommend? For example, laser treatments or glycolic acid? If I need to find a doctor, which type sho...
Dr. Zheng Lizhen Reply:
Hello! 1. Acne scars can be classified into "true scars" (atrophic or hypertrophic scars) and "false scars" (erythema or hyperpigmentation). True scars, particularly atrophic scars, can be treated with dermabrasion; currently, most procedures use laser resur...[Read More] Effective Treatments for Acne Scars: Expert Advice for Patients
Boost Your Metabolism: Clear Acne Scars and Enhance Weight Loss
How can I boost my metabolism? Why have the post-inflammatory hyperpigmentation scars from the acne I had three to four years ago still not faded and remain very noticeable? Also, my weight loss results are not as good as those of others. A friend who works as a beautician said t...
Dr. Jiang Zheen Reply:
Dear Chiu: You should consult a dermatologist, maintain a positive mood, eat plenty of fruits and vegetables, practice thorough sun protection, and use some depigmenting agents such as L-ascorbic acid, kinetin, azelaic acid, hydroquinone, and retinoic acid, which can all contribu...[Read More] Boost Your Metabolism: Clear Acne Scars and Enhance Weight Loss
Managing Acne Treatment: Redness, Scarring, and Skincare Tips
Acne Moisturizer I have a few questions for Dr. Cheng: 1. I am currently using acne treatment cream, but I am experiencing redness and peeling. Should I stop using it? 2. My acne has cleared up, but I still have red marks left. Do I still need to apply the acne treatment cream? 3...
Dr. Zheng Lizhen Reply:
Hello! 1. Please visit the dermatology outpatient clinic for a physician to assess whether you need to discontinue any medications. 2. If you are using a tinted or waterproof sunscreen, it is recommended to remove it thoroughly; otherwise, a regular facial cleanser should suffice...[Read More] Managing Acne Treatment: Redness, Scarring, and Skincare Tips
Understanding the Side Effects of Chemical Peels in Dermatology
Alpha hydroxy acid (AHA) peel Information related to alpha hydroxy acid (AHA) peels includes potential side effects.
Dr. Liao Wenyu Reply:
Alpha hydroxy acid (AHA) peels utilize exfoliation through fruit acids to promote collagen regeneration and hydration. This treatment aims to address acne, reduce hyperpigmentation, and diminish fine lines. Generally, there are no significant side effects; at most, there may be s...[Read More] Understanding the Side Effects of Chemical Peels in Dermatology
Flea Bites: How to Prevent Scarring and Manage Skin Reactions
Flea bites Last week, I was bitten by fleas and initially thought it was just a mosquito bite, so I only applied some topical ointment. However, it got worse over the week, and I delayed seeing a doctor. When I finally did, the doctor just prescribed me some medication and told m...
Dr. Chen Yiying Reply:
Hello: In response to your question, it seems that your reaction to the bite was quite strong, and since it has been a week, your doctor likely advised you to be mentally prepared for the possibility of scarring. I'm not sure if you have developed any wounds from scratching;...[Read More] Flea Bites: How to Prevent Scarring and Manage Skin Reactions
Effective Treatments and Prevention for Acne Scars
Acne scars Hello, doctor: I started developing acne when I was in the first year of junior high school, and at that time, I didn't know that acne could leave scars. Now I have large areas of scarring on both sides of my face. I would like to ask how to remove the scars on my...
Dr. Jiang Zheen Reply:
Scars can be divided into two main categories: the first is reversible, such as hyperpigmentation or vascular dilation, which typically resolves on its own over a period of months or years; the second category is irreversible scars, such as indentations or firm lumps, which do no...[Read More] Effective Treatments and Prevention for Acne Scars
Understanding Pigmentation Disorders: Treatment Options for Skin Issues
Pigmentation deposition Hello, my husband's calf has developed dark, patchy spots. They are not painful or itchy, but they look quite unsightly. Yesterday, the doctor said it is hyperpigmentation and provided a small jar of ointment, stating that it cannot be cured. Is this ...
Dr. Liao Wenyu Reply:
There are many reasons for dark pigmentation. If it is due to pigment deposition, the most economical approach is to "wait" for it to fade on its own. Otherwise, treatment can involve using substances that promote pigment metabolism.[Read More] Understanding Pigmentation Disorders: Treatment Options for Skin Issues
Will My Acne Scar Fade Naturally or Do I Need Treatment?
Scar Hello doctor, I would like to ask you about a pimple that I had on my skin. I managed to pick it off, but it left a noticeable scar. Will the scar fade away on its own, or do I need to apply medication? If so, what should I use to help reduce the scar? Thank you!
Dr. Zheng Lizhen Reply:
Acne scars can be categorized into "true scars" (atrophic or hypertrophic scars) and "false scars" (erythema or hyperpigmentation). True scars, specifically atrophic scars, can be treated with dermabrasion, with laser resurfacing being the most common method u...[Read More] Will My Acne Scar Fade Naturally or Do I Need Treatment?
Understanding and Treating Dry, Dark Patches on Your Buttocks
Please save my butt! Hello Doctor, I would like to ask you about a brown area on both sides of my lower buttocks, which is the part that comes into contact with the chair when sitting. It feels very dry and rough to the touch, and it doesn't look good at all. This has been g...
Dr. Jiang Zheen Reply:
Little Fish: This may be classified as mild chronic eczema with associated hyperpigmentation, possibly a residual effect of eczema. Prolonged sitting can exacerbate the lesions. You might try using some low-concentration eczema ointments, combined with lotions containing alpha hy...[Read More] Understanding and Treating Dry, Dark Patches on Your Buttocks
Will My Skin Condition Heal Naturally? Understanding Tinea Versicolor
Will it heal on its own? I previously visited a dermatologist because I had a dark, itchy patch in the groin area. The doctor diagnosed it as tinea cruris (jock itch). However, I only had one appointment and didn't return. It has improved somewhat, but the dark patch remains...
Dr. Jiang Zheen Reply:
Hello, your skin condition should be referred to as tinea cruris, which may have persisted for a long time, leading to some post-inflammatory hyperpigmentation. Generally, tinea cruris requires about one month of treatment to heal. Of course, it is a contagious condition, and rei...[Read More] Will My Skin Condition Heal Naturally? Understanding Tinea Versicolor
Why Is the Skin Near My Thighs and Labia Darker?
Darker skin? The skin on the inner thighs and labia may appear darker due to several factors, including friction, hormonal changes, or increased melanin production. Friction from clothing or skin-to-skin contact can lead to a condition called post-inflammatory hyperpigmentation. ...
Dr. Jiang Zheen Reply:
Dear Miss Jian: The inner thigh area near the groin generally experiences some pigmentation after puberty due to hormonal stimulation, which is a normal phenomenon. However, sometimes these areas may have previously experienced skin inflammatory conditions such as eczema or funga...[Read More] Why Is the Skin Near My Thighs and Labia Darker?
Understanding Unusual Skin Conditions: Tips for Postpartum Care
Unusual skin conditions Hello, I would like to ask you... Over the past two months, I've developed many bumps on my forehead that I can't tell if they are blackheads or pimples, and they can't be squeezed out. After a night's sleep, they seem to improve a bit,...
Dr. Zheng Lizhen Reply:
1. Based on your description, a diagnosis cannot be made immediately. Please consult a nearby dermatologist for evaluation and treatment. 2. Skincare products should be chosen according to skin type. For oily areas, select lightweight, non-greasy moisturizing products, while fo...[Read More] Understanding Unusual Skin Conditions: Tips for Postpartum Care