Skincare products, Dermatology FAQ

Managing Seborrheic Dermatitis: Hair and Skin Care Tips for Relief

Inquire about seborrheic dermatitis? 1. I have seborrheic dermatitis, which makes my scalp itchy and oily. After scratching, it becomes wet and moist. Over time, I have experienced significant hair loss, so my hair has become very sparse. I’ve heard that this condition makes it i...

Dr. Cai Changlin Reply:
Hello: Regarding your questions, I will address them in two parts. (1) Concerning your scalp, if you have been diagnosed with seborrheic dermatitis, it may be challenging to completely eliminate the symptoms, especially during times of high stress, lack of sleep, or seasonal ch...

Understanding Warts: Treatment Options and Immune Support Strategies

Increasing number of warts..? Hello, a long time ago I had a wart on my hand. At that time, I didn't realize it was a contagious virus and thought it was just a common growth, so I ignored it. Recently, I discovered that I have many more warts on my limbs, and after visiting...

Dr. Hong Zhengsheng Reply:
Hello: 1→ We have not reviewed relevant medical literature or research reports. 2 and 3→ "Find a dermatologist you trust and schedule an appointment" is the best advice for you. We recommend that when your skin exhibits the described symptoms, you should promptly visit ...

Choosing Skincare Products: Brand Mixing and Application Order Explained

Usage of skincare products When it comes to selecting skincare products, is it acceptable to use different brands? For products like toners, lotions, and serums, various brands often have their own strengths. My skin tends to be on the dry side, and I have tried many different sk...

Dr. Zhang Zhibo Reply:
Hello Dora: Regarding your questions, here are some simple answers. 1. When it comes to selecting skincare products, is it okay to use different brands? There is no specific brand that is the best for skincare; as long as the products do not cause any allergic reactions, that b...

Understanding the Role of Antibiotics in Treating Rosacea Symptoms

The relationship between the treatment of rosacea and antibiotics? Hello Doctor, I have been experiencing rosacea for 5 years. However, I only have persistent redness and visible blood vessels on both sides of my nose, which has lasted for several years. There is also a red area ...

Dr. Jiang Zheen Reply:
Doxycycline can improve symptoms of certain types of rosacea, and it may take up to a month to see results. I have not heard of this medication causing the skin to feel warm. If there is still no improvement, topical or oral metronidazole can be used. It is reported that Neostrat...

Alternative Treatments for Tear Troughs and Under-Eye Wrinkles: Costs Explained

Tear troughs In addition to hyaluronic acid fillers, are there other treatment options for tear troughs and fine lines under the eyes? How is the cost calculated?

Dr. Jiang Yujiao Reply:
Hello: In response to your question, the depth of tear troughs, fine lines under the eyes, and crow's feet can vary. In addition to hyaluronic acid, options include autologous fat grafting, collagen injections, surgical procedures, and non-invasive treatments such as radiofr...

Understanding Persistent Skin Issues: Is It Rosacea or Something Else?

Strange illness. It seems like a hangover but doesn't quite feel like one. It's very peculiar and has significantly affected my confidence! I used to have a lot of acne for about 8 years. Fortunately, I haven't had any breakouts for the past 3 years. However, durin...

Dr. Jiang Yujiao Reply:
Hello: In response to your question, my teacher taught me the most effective treatment is to do nothing! This means not applying any medications. Instead, take a break for a while, at least a month. Dry skin needs simple and straightforward moisturizers. If you are still concerne...

Managing Seborrheic Dermatitis: Effective Treatments and Tips

Seborrheic dermatitis Hello, doctor. I have seborrheic dermatitis (mainly on my face) that has persisted for several years, and I have "almost" never had completely normal skin (except for one time when my doctor prescribed piprinhydrinate, tranexamic acid, and oral pre...

Dr. Jiang Yujiao Reply:
Hello: In response to your question, seborrheic dermatitis is related to the amount of sebum secretion and is generally associated with irregular lifestyle habits, greasy diets, and high emotional stress. When there is excessive sebum, it can irritate the skin and cause inflammat...

How to Manage Acne: Tips for Middle School Students

I also have acne? I am currently a second-year junior high school student, and I have acne on my face. Some of my classmates have very clear and clean skin. What can I do to improve my situation? Also, is there a connection between my diet and my skin condition? I am already maki...

Dr. Hong Zhengsheng Reply:
Hello, Ding Jie: The possible causes of acne include the following points (provided by the Taiwan Dermatological Association): 1. Genetics: This is a matter of constitution. 2. Overactive sebaceous glands: Patients may have oily skin on their faces. 3. Hormonal imbalance: Some wo...

Is Hyaluronic Acid Safe for Acne-Prone Skin? Myths and Facts

Hyaluronic acid 1. Is it suitable for people with acne to use hyaluronic acid skincare products? 2. I've heard that after using hyaluronic acid, you need to apply moisturizer; otherwise, it can lead to increased dryness. Is that true? 3. Does long-term use of alcohol-con...

Dr. Huang Ruiyun Reply:
1. Yes. 2. Depending on individual skin types, the moisturizing effect of hyaluronic acid may not necessarily be higher than that of traditional moisturizers; it is suitable for skin that is not extremely dry. If you still feel dry after applying hyaluronic acid, you can simply a...

Do You Need Skincare for Acne-Prone Skin? Expert Insights

Maintenance Should I take care of acne-prone skin, or is it enough to just focus on cleansing without any additional steps? Is it possible that using acne-specific medical skincare products could make the condition worse over time?

Dr. Huang Ruiyun Reply:
Skincare should be approached with the intention of gaining benefits, rather than feeling odd about not following trends or being influenced by commercial advertising to purchase products that are unnecessary. Moderate cleansing is recommended, such as washing your face twice a d...

Understanding Acne: Causes, Treatments, and Skin Care Tips

Acne issues? I have seen a dermatologist and have been taking medication for a long time, but it seems to have little effect as I still get breakouts. I go to bed early, around 10 to 11 PM, and I rarely eat fried foods. The breakouts have decreased a bit, but I still have a lot o...

Dr. Hong Zhengsheng Reply:
Hello, Jie Di: The following information is sourced from the Taiwan Dermatological Association and is hoped to be helpful to you. Acne (Acne Vulgaris) may have several possible causes: 1. Genetics: This is a matter of individual constitution. 2. Overactive sebaceous glands: Pati...

DIY Methods to Remove Acne Scars and Blackheads Effectively

Blackheads, acne scars Hello doctor, I used to have acne, and since I had to attend classes, I squeezed them out, which has left me with acne scars. I would like to know if there are any DIY methods to quickly remove these scars. I also have blackheads on my nose; what DIY method...

Dr. Huang Ruiyun Reply:
DIY and quick methods to remove acne scars? Aside from advanced makeup techniques, I'm sorry to say, the answer is no! Blackheads on the nose are, from a certain perspective, a normal occurrence for most adults, especially men. Therefore, while the methods you mentioned may ...

Why Exfoliating Your Face Can Trigger Acne: Causes and Solutions

Facial exfoliation Doctor, why do I get acne after exfoliating? Could it be because the acne is being metabolized out? Are there any diagnostic tools or methods to identify the causes of acne for acne-prone skin?

Dr. Hong Zhengsheng Reply:
Hello, The possible causes of acne include the following points (provided by the Taiwan Dermatological Association): 1. Genetics: This is a matter of individual constitution. 2. Overactive sebaceous glands: Patients may have oily skin on their faces. 3. Hormonal imbalance: ...

Understanding the Metabolism of Acne Treatments: Myths and Facts

The metabolic phenomenon of skincare products? Some acne treatment products, such as alpha hydroxy acids (AHAs), may cause an initial increase in breakouts during the early stages of use. Is this an actual metabolic phenomenon, or is it simply due to the product being unsuitable ...

Dr. Jiang Zheen Reply:
It is indeed common to experience an increase in acne during the initial stages. This is not a cause for concern. Most products that claim to be oil-free and emulsifier-free are effective in preventing acne; however, some individuals may have unique skin types that do not respond...

Managing Post-Laser Care: Redness, Sunscreen, and Rosacea Solutions

Red scars, sun protection, and rosacea concerns? Dr. Jiang... I accidentally came across this website, haha~ Happy New Year! Last Wednesday, I had laser treatment for spots at the clinic. You prescribed me an ointment and artificial skin... I would like to ask you, how long shoul...

Dr. Jiang Yujiao Reply:
Hello: In response to your question, it is normal to experience some itching and redness after laser treatment. Some individuals may also have an itchy reaction to artificial skin; in such cases, you can switch to ointments or restorative skincare products. When taking isotretino...

Choosing the Right Moisturizer for Oily, Dehydrated Skin: A Guide

How to choose a moisturizer? Hello! I would like to ask two questions: 1. How can I choose a suitable moisturizer for oily but dehydrated skin? Generally, commercially available lightweight lotions may not provide enough hydration for mature women like us, while richer lotions ma...

Dr. Zheng Lizhen Reply:
Hello: 1. There is no standard answer for suitable skincare products; the best approach is to try them out and learn through trial and error to find what works for you. Different seasons may also require different products. 2. Products are generally labeled according to the areas...

Understanding Acne: Why Dry Skin Can Still Break Out

Is there really a cure for acne? I would like to ask the doctor... why do people with dry skin also get acne? Could it be because their skin is too dry? I have oily skin, but for the past two years, I've been experiencing frequent breakouts for some unknown reason... I’ve be...

Dr. Hong Zhengsheng Reply:
Hello: The following information is sourced from the Taiwan Dermatological Association and is hoped to be helpful to you. Acne (Acne Vulgaris) may have several possible causes: 1. Genetics: This is a matter of predisposition. 2. Overactive sebaceous glands: Patients may have oil...

Understanding Acne: Myths, Winter Breakouts, and Exercise Benefits

Regarding pimple popping? 1. I would like to ask if it's true that when squeezing a pimple, the blood that comes out should be clear for it to be considered clean? 2. Why do I tend to get more acne in the winter? Is it because I use the same skincare products in winter and...

Dr. Hong Zhengsheng Reply:
Hello, Response to Question 1: It is not true. Response to Question 2: I apologize, but based on your written description, it is currently impossible to determine your specific medical condition. Answers found online can only speculate based on the description and experience ...

Achieving Smooth Skin: Solutions for Acne and Skin Care Concerns

I want to see myself with smooth skin? Hello Doctor: My skin was originally good, but since moving to Hsinchu, it has not been well. I easily develop comedones on my cheeks and forehead, which are open comedones. After extracting them with a comedone extractor, they do not fade e...

Dr. Jiang Zheen Reply:
You can try using salicylic acid for chemical peeling, which is relatively less irritating. As for Differin and Airol, both are forms of vitamin A acid; however, Differin is a second-generation retinoid while Airol is a first-generation retinoid. The main difference lies in their...

Common Skin Issues: Effects of Bleach, Acne Treatments, and More

Please ask about some skin issues! Bleach can cause various skin injuries, including chemical burns, irritation, and allergic reactions. It can lead to symptoms such as redness, itching, and peeling of the skin. As for non-granular exfoliants, they can be effective for treating ...

Dr. Zheng Lizhen Reply:
Hello: 1. Bleach can damage the skin's lipids and cause protein denaturation. 2. Exfoliating scrubs can be helpful for keratosis pilaris. 3. For acne, please consult a dermatologist, who will prescribe different medications based on the condition. 4. There are many causes fo...

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