Skincare products, Dermatology FAQ

Dealing with Oily Skin, Acne, and Enlarged Pores: Effective Solutions

Acne, enlarged pores, and excessive oiliness? Hello, I am seventeen years old and I believe my skin type is combination-oily (I haven't done a formal test, but I assessed it based on various skincare websites). I have a common issue in both winter and summer: my skin feels t...

Dr. Wu Yuxin Reply:
It mainly relates to age, as sebaceous glands are most active at 17 years old, leading to increased oil production. Regular cleansing is the best approach.

Is It Safe to Use Mandelic Acid During Early Pregnancy?

The use of mandelic acid during pregnancy? Hello Doctor, I would like to ask you about my current early pregnancy status. I know that retinoids are not recommended for pregnant women. Can I use skincare products containing 5% mandelic acid at this time? Thank you!

Dr. Wu Yuxin Reply:
There are no reports indicating harm to pregnant women, but it is still recommended to consult an obstetrician-gynecologist.

Managing Seborrheic Dermatitis: Skincare and Makeup Tips for Relief

I have seborrheic dermatitis, help my face? Hello Dr. Li: I have a flaky, burning sensation and redness on my cheeks, chin, and sides of my nose. I went to see a doctor and was diagnosed with seborrheic dermatitis. I applied medication, but it keeps recurring. I hardly use facial...

Dr. Li Yufen Reply:
Hello: For a detailed introduction to seborrheic dermatitis, you can refer to the article on the Dermatology Expert Health website at http://www.drskincare.com.tw/Qa/Detail.aspx?ID=23. If even skincare products cause stinging, it is advisable to first use medicated ointments for ...

Understanding Nipple Eczema and Fungal Infections: Causes and Treatments

Nipple eczema or fungal infection? Hello Dr. Wu, Since around May of last year, I have been experiencing itching, scaling, and some serous discharge from both nipples. I have visited dermatology and breast surgery several times, and the doctors suspect it might be nipple eczema ...

Dr. Wu Yuxin Reply:
Without actually seeing the lesion, it cannot be confirmed. If it is causing significant distress, it is advisable to seek medical attention as soon as possible.

Effective Solutions for Persistent Redness After Acne Treatment

Acne can be very painful? Hello, doctor. I have a question. After having acne on my face, the spots have faded but now I have some redness or areas of flushing, especially when I feel warm, my entire face turns red. This situation has been ongoing for two years. I would like to k...

Dr. Wu Yuxin Reply:
There are quite a few options for redness-reducing skincare products, such as glycyrrhizic acid gel. If the results are unsatisfactory, you may consider treatments like intense pulsed light (IPL) or dye laser therapy.

Effective Skincare Tips for Acne and Oily Skin Issues

Facial issues Hello, doctor. Every time I use a certain brand of facial cleanser, it works well at first, but after a while, I start to get small pimples and blackheads on my face, and then I have to switch to another brand of cleanser. When I am exposed to the sun, I also notice...

Dr. Li Yufen Reply:
Hello: If you frequently experience small pimples and blackheads on your face, you can choose facial cleansers and skincare products with anti-acne properties. During the day, it is advisable to use a lightweight sunscreen that won't clog pores. Thank you!

Postpartum Skin Concerns: Stretch Marks, Recovery Tips, and Treatments

Pregnancy Questions Hello, doctor. I have a few questions: 1. After giving birth, there are pink lines with white edges around the belly (pubic area). How should I treat this? Can it completely disappear? Is it harder to treat if it turns brown? 2. Is there still a chance for d...

Dr. Wu Yuxin Reply:
1. Cannot completely disappear, at most it can be less noticeable. 2. Can only fade, cannot completely disappear. 3. No emergency treatment needed; it will gradually fade after childbirth. 4. Use scar gel for at least six months, but it is unlikely to completely disappear. ...

Effective Treatments for Fading Stretch Marks: Creams and Medical Options

Stretch mark fading Hello, I have stretch marks on the back of my calves, the upper thighs, and my buttocks. I would like to know how to lighten the existing stretch marks. What type of lotion or skincare products should I buy to apply? I'm unsure how to choose products that...

Dr. Wu Yuxin Reply:
Actually, existing stretch marks can only fade gradually over time. Applying scar ointments may help reduce the formation of scar tissue.

Understanding Eczema: Managing Rough Skin and Itchy Patches

The area below the eyes, on the forehead, and around the neck feels rough to the touch? Hello Doctor: Every summer, I experience itching in the creases of my elbows and neck due to sweating. I usually visit a dermatologist who prescribes a cooling ointment that helps improve the ...

Dr. Li Yufen Reply:
Hello: Summer eczema can easily recur, and the affected areas may vary. The causes are related to excessively high temperatures and humid, stuffy weather. If there is an allergic predisposition, the skin becomes more sensitive and fragile, making it even more prone to outbreaks. ...

How to Prevent and Treat Skin Pigmentation After Hair Removal

Pigmentation deposition 1. After using an epilator (which pulls hair out from the root), the skin may appear slightly red. There are many online sources that mention that using an epilator can cause "hyperpigmentation." What methods can be used to prevent this, or what ...

Dr. Wu Yuxin Reply:
1. Any method involving pulling will result in pigmentation. You can consult a dermatologist for prescriptions for whitening creams or skincare products. 2. Based on the written description alone, it is not possible to confirm without actually seeing the lesion. It is recommended...

Managing Severe Eczema: Tips for Daily Care and Treatment

Severe eczema Hello doctor, I started having a rash on my face at the beginning of July. I thought it was a flare-up of my rosacea, so I continued using topical medication. However, specific areas of the red rash did not go away. On July 8th, I visited a dermatologist who diagnos...

Dr. Wu Yuxin Reply:
Without actually seeing the lesion, I cannot confirm anything and cannot provide much advice. It is recommended to wear less makeup and use fewer makeup removal products. In principle, skincare products should be applied first, followed by the ointment.

Understanding Genital Dryness: Safety of Moisturizers and Preservatives

Dryness and peeling of the genital area? Hello Dr. Wu, I would like to ask if the preservatives in skincare products can cause cancer. Recently, I noticed slight dryness and peeling on my penis after taking a shower. Is it safe to apply lotion or related skincare products on it...

Dr. Wu Yuxin Reply:
Currently, there is no relevant literature or reports indicating any carcinogenic conditions.

Managing Skin Issues: Do You Really Need AHA for Acne and Wrinkles?

Skin issues Can the various shades of black and white comedones on the face metabolize and fall off on their own without using retinoids? Will the pores gradually diminish on their own? Is it sufficient to use only white petroleum jelly for facial care, applying just a thin layer...

Dr. Wu Yuxin Reply:
Acne can naturally metabolize and fall off, but new ones will continuously form, so the ongoing use of retinoids or alpha hydroxy acids can be beneficial. It is recommended to use some type of cleanser for washing the face, while skincare should be tailored to individual skin typ...

Understanding Fine Lines: Skincare Tips for Young Adults

The discovery of fine lines? I previously noticed a short line under my eyes, and the other eye is lighter. Recently, I've started to see three or four lines that seem like fine lines. I'm only 21; why do I have fine lines? I've started to focus on moisturizing. Wi...

Dr. Wu Yuxin Reply:
The appearance of fine lines around the eyes is a sign of aging, influenced by genetic factors and lifestyle habits, which can affect the timing of their onset. The selection principle for oil-based skincare products is the same as for regular skincare products: they should be su...

Can Laser Treatments Trigger Eczema on Sensitive Skin?

After laser treatment, the skin becomes more susceptible to eczema? Hello Dr. Wu, I have never had issues with eczema on my face before, but ever since I had a carbon laser treatment once, I have frequently developed numerous itchy, red bumps on my face that improve for a short t...

Dr. Wu Yuxin Reply:
After laser treatment, there may be temporary increased sensitivity, but it typically improves within a week. If your eczema resolves and then recurs, you should consider other causes, such as allergies to skincare products or cosmetics, or whether you are over-cleansing or remov...

Understanding A Acid Dermatitis: Symptoms, Causes, and Recovery Time

A acid dermatitis???? Hello, doctor. I previously used tretinoin, and after taking a hot shower and applying skincare products, I noticed that my skin became very red. Is this tretinoin dermatitis? However, I didn't experience this before; it makes my skin look like erythema...

Dr. Li Yufen Reply:
Hello: It is recommended that you bring a topical retinoid cream and consult a dermatologist to confirm whether the dermatitis is caused by the retinoid or by other skincare products leading to contact dermatitis, or if you are concerned about lupus erythematosus (butterfly rash)...

Post-CO2 Laser Skin Care: Essential Tips for Healing and Maintenance

Post-Care for Skin After eCO2 Laser Treatment Hello Doctor: I underwent full facial laser scar removal surgery last week. The scabs on my face have completely fallen off, but my face still appears somewhat red, and there are some areas that feel itchy. The doctor who performed th...

Dr. Lin Xinpeng Reply:
Hello: 1) If the scab has fallen off, it indicates that the epidermal layer has healed. In principle, basic skincare products can be used, but attention should be paid to the ingredients. If they contain whitening toners or lotions, their use should be delayed. For sunscreen, it ...

Is It Beneficial to Frequently Change Facial Skincare Products?

Facial issues Hello, doctor. Is it good to frequently change facial skincare products? (Changing to different products every three to four weeks)

Dr. Yang Zhiya Reply:
Hello, general skincare products primarily focus on cleansing, moisturizing, and sun protection. Depending on individual needs, additional functional products such as whitening or anti-aging can be incorporated. It is recommended to adjust skincare products based on skin conditio...

Does Excessive B12 Intake Cause Acne Breakouts?

Does excessive intake of vitamin B12 cause acne? Hello doctor, I have high levels of homocysteine, and my neurologist prescribed methylcobalamin for me. I take about 1 mg per day, and since I started taking it at the end of March, I've been experiencing a significant increas...

Dr. Yang Zhiya Reply:
Vitamin B12 generally does not cause an increase in acne. There are many factors that contribute to acne, including oily skin, environment, temperature, hygiene, skincare products, sleep quality, and diet, among others.

Persistent Dark Spots on Right Side of Face: Causes and Solutions

Spots are continuously appearing on the right side of the face? Hello, doctor. I would like to ask about the spots that have been continuously appearing on the right side of my face (approximately three centimeters below the eye, extending from the bridge of the nose to the ear) ...

Dr. Lin Xinpeng Reply:
Hello: You did not provide the color of the spots. Generally, the most common type is sunspots, which are less related to the use of skincare products and more associated with sun exposure. However, it is still recommended that you visit a dermatology clinic to determine the type...

Previous｜Page ｜Next