Addressing Common Skin Concerns: AHA, Whitening, and Salicylic Acid Issues
Issues with the use of retinoids, concerns about skin whitening, and problems related to salicylic acid exfoliation? Hello, Doctor. Thank you for taking the time to answer health consultation questions. Having the opportunity to ask these questions is truly helpful for those who ...
Dr. Wu Yuxin Reply:
The acids mentioned above all have some degree of photosensitivity, so it is generally recommended to use them at night to avoid exposure to ultraviolet light afterward; typical indoor lighting is usually not a concern. Arbutin, kojic acid, and tranexamic acid do not have photose...[Read More] Addressing Common Skin Concerns: AHA, Whitening, and Salicylic Acid Issues
Effective Ways to Remove Blackheads from Your Nose
The nose has many comedones (blackheads and whiteheads)? How can I get rid of blackheads on my nose?
Dr. Wu Yuxin Reply:
There are many methods available; you can use alpha hydroxy acids (AHAs) or retinoic acid (tretinoin) for initial treatment. If you want a more advanced treatment approach, you will need to seek medical attention.[Read More] Effective Ways to Remove Blackheads from Your Nose
Effective Treatments for Keratosis Pilaris: What You Need to Know
Treatment methods for keratosis pilaris? I have symptoms on the outer side of my arm. I consulted a dermatologist who did not prescribe any medication but suggested using an acid-based lotion. I have been using a glycolic acid lotion for a while with little effect, so I researche...
Dr. Wu Yuxin Reply:
It is recommended to undergo a chemical peel with alpha hydroxy acids (AHAs).[Read More] Effective Treatments for Keratosis Pilaris: What You Need to Know
Understanding Keratosis and Seborrheic Keratosis: Treatment Options and Care
Keratosis pilaris and seborrheic keratosis? I would like to ask if urea can improve skin keratinization, considering that I usually use alpha hydroxy acids. Can both be used together? Additionally, I have seborrheic keratosis on my neck, back, and under my chest. I have previousl...
Dr. Wu Yuxin Reply:
Urea can be used, but not at the same time. For seborrheic keratosis, laser treatment is still the most ideal option. For rosacea around the eyes, a dermatologist can provide evaluation and treatment.[Read More] Understanding Keratosis and Seborrheic Keratosis: Treatment Options and Care
Can I Use Acid Products on Large Inflammatory Pimples?
Can I use acids on a large inflamed pustule? Hello, doctor. I would like to ask about my condition, which involves large pustular acne. 1. If I do not pop them, can I use products containing alpha hydroxy acids (AHAs) like mandelic acid? Will it help improve my condition? 2. If I...
Dr. Wu Yuxin Reply:
Without actually seeing the lesion, it is impossible to determine; we need to examine it to know what recommendations to provide you.[Read More] Can I Use Acid Products on Large Inflammatory Pimples?
Using Topical AHA and Retinoids: Expert Answers to Common Concerns
Issues with topical first-generation retinoids? I am currently using a first-generation retinoid topically. I would like to ask the doctor: 1. I am applying the retinoid at night before bed. If I want to use it during the day, can I apply sunscreen after the retinoid to block sun...
Dr. Wu Yuxin Reply:
1. Daytime use is not recommended. 2. There is a risk of overuse, which may increase skin irritation. 3. Whether additional moisturizing is needed depends on each individual's skin condition.[Read More] Using Topical AHA and Retinoids: Expert Answers to Common Concerns
Can Fruit Acids Help Remove Acne Scars and Treat Dry Skin?
Can alpha hydroxy acids (AHAs) eliminate acne scars? About a year ago, I developed some acne that left behind some pitted scars. They have faded a bit since then, but are still noticeable. Occasionally, I still get small pimples. I would like to know if using a 30% combination of...
Dr. Wu Yuxin Reply:
For depressed scars, there is some help, but the primary treatment still relies on laser therapy. As for the issue of cracked skin on the hands, the cause can only be determined after an examination.[Read More] Can Fruit Acids Help Remove Acne Scars and Treat Dry Skin?
Can You Combine AHA and Retinoids Without Skin Irritation?
The issue of combining retinoic acid with alpha hydroxy acids (AHAs)? If the skin does not feel irritated, can alpha hydroxy acids (AHAs) be applied after using retinoic acid (A acid)?
Dr. Li Yufen Reply:
Hello: It is recommended that you use a single type of acid on your skin at a time. Thank you![Read More] Can You Combine AHA and Retinoids Without Skin Irritation?
Can You Use Alpha Hydroxy Acids for Moisturizing at Night?
Alpha hydroxy acid (AHA) issues? 1. Can I use only alpha hydroxy acid (AHA) for hydration after washing my face at night? 2. Can alpha hydroxy acid (AHA) be used in conjunction with lotion?
Dr. Wu Yuxin Reply:
1. It depends on the individual's skin condition; there is no fixed standard. 2. In principle, it is acceptable.[Read More] Can You Use Alpha Hydroxy Acids for Moisturizing at Night?
Understanding AHA Foot Peel Reactions: Redness and Itching Explained
Skin exfoliation issues? Hello, doctor. I used a foot mask containing alpha hydroxy acids two days ago, and my feet are now red and itchy, possibly due to prolonged use. Is this a sign of an allergy to alpha hydroxy acids? If so, how long does it typically take for it to heal on ...
Dr. Wu Yuxin Reply:
It is likely irritant contact dermatitis, and the healing time depends on the severity.[Read More] Understanding AHA Foot Peel Reactions: Redness and Itching Explained
Understanding Alpha Hydroxy Acids: Safe Use and Effective Concentrations for Skin Care
Alpha hydroxy acid (AHA) issues? Hello, Director Wu. I have a darker skin tone and issues with acne, so I am considering purchasing alpha hydroxy acid (AHA) products for use. I believe it is important to fully understand the safety aspects first, but after searching through vario...
Dr. Wu Yuxin Reply:
Tolerance varies among individuals; some can use it daily without issues, while others can only use it once a week.[Read More] Understanding Alpha Hydroxy Acids: Safe Use and Effective Concentrations for Skin Care
Do Skincare Products Cause Stinging? Effects on Sunscreen Efficacy
Sunscreen issues with skincare products? If you experience a slight stinging sensation on your face when using skincare products or sunscreen, and it subsides after a while, it may not necessarily affect the product's efficacy. However, it is important to consider the follow...
Dr. Wu Yuxin Reply:
It depends on the type of skincare products; those containing alpha hydroxy acids (AHAs) or salicylic acid may be involved.[Read More] Do Skincare Products Cause Stinging? Effects on Sunscreen Efficacy
Can Alpha Hydroxy Acids Help Treat Acne and Folliculitis?
Is it possible to undergo an alpha hydroxy acid (AHA) treatment? I would like to ask! I have pimples all over my body, and sometimes they appear on my neck too! Why is this happening? The pimples are slightly itchy and feel mildly painful when touched. I'm not sure if it...
Dr. Wu Yuxin Reply:
Without actually seeing the lesion, it is impossible to determine. If it is very bothersome, please seek medical attention as soon as possible.[Read More] Can Alpha Hydroxy Acids Help Treat Acne and Folliculitis?
Managing Skin Concerns While on Oral A Acid: Your Essential Guide
Issues During Oral A Acid Treatment Question 1: I have started taking oral medication for the first week. Can I continue using retinoids? Can retinoids and alpha hydroxy acids (AHAs) be used together? Question 2: If my skin is too dry, should I buy moisturizer from a convenience...
Dr. Wu Yuxin Reply:
1. Yes. 2. Moisturizers can be purchased independently or recommended by a physician. 3. It should not be necessary. 4. Retinoids and alpha hydroxy acids; further options may include gentle laser treatments, fractional laser, or picosecond laser therapy.[Read More] Managing Skin Concerns While on Oral A Acid: Your Essential Guide
Understanding and Managing Keratosis Pilaris: Effective Solutions
Keratosis pilaris Doctor, I have had something similar to keratosis pilaris on my upper arms and calves since childhood. I just found out online that it might be keratosis pilaris. I would like to ask the doctor what improvement methods are available. Thank you, doctor.
Dr. Wu Yuxin Reply:
First, have a physician confirm the diagnosis. If it is keratosis pilaris, products containing alpha hydroxy acids, salicylic acid, or other ingredients that help exfoliate keratin and treat acne can be used.[Read More] Understanding and Managing Keratosis Pilaris: Effective Solutions
Dealing with Closed Comedones: Effective Treatments and Tips
Closed comedones I have had multiple treatments with a beautician, but the issue of acne on my cheeks has not improved. After a few days of treatment, it reappears, creating a continuous cycle. I previously used mandelic acid, but it either caused an allergic reaction or peeling....
Dr. Li Yufen Reply:
Hello: For a detailed introduction to acne, you can refer to a series of articles on the Dermatology Expert Health website at http://www.drskincare.com.tw/Qa/Index.aspx?CID=4. Since you have previously used mandelic acid and experienced either an allergic reaction or peeling, it ...[Read More] Dealing with Closed Comedones: Effective Treatments and Tips
Understanding Facial Spots: Causes and Treatment Options for Teens
The skin keeps developing spots? Hello, doctor. I am a 19-year-old teenager. My skin used to be very good, but for the past six months, I have been developing very faint spots on my face. Since I have been retaking exams this whole year, I haven't been exposed to much sunlig...
Dr. Wu Yuxin Reply:
It is not yet clear what type of spots you have; you should first seek medical evaluation to confirm the diagnosis before any recommendations or treatment can be provided.[Read More] Understanding Facial Spots: Causes and Treatment Options for Teens
Severe Itching from Glycolic Acid Lotion: Should You Stop Using It?
Severe itching from fruit acid lotion? Hello, I have been using Avène's acne moisturizing lotion, which contains alpha hydroxy acid (glycolic acid), but I'm not sure about the concentration of the acid. When I apply it thickly on my acne, it causes significant itching (...
Dr. Wu Yuxin Reply:
It is recommended to discontinue use.[Read More] Severe Itching from Glycolic Acid Lotion: Should You Stop Using It?
Effective Non-Surgical Methods to Improve Mild Acne Scars and Pimples
Mild acne scars and comedones? Hello, doctor: Originally, my skin didn't have any issues, but due to my bad habit of squeezing pimples with my hands, I have developed acne scars on my cheeks and nose, along with more breakouts. I would like to ask what non-surgical methods a...
Dr. Wu Yuxin Reply:
Acne can be treated with regular use of alpha hydroxy acids (AHAs) or chemical peels, as well as with gentle laser treatments. Acne scars, on the other hand, require laser therapy.[Read More] Effective Non-Surgical Methods to Improve Mild Acne Scars and Pimples
Effective Acne and Scar Treatment: Tips for Clear Skin
Acne, comedones, and scars? Hello, how should I manage acne? In the past, after treating it, I would end up with scars a few days later, and these scars seem difficult to fade. Recently, I've also been getting acne on my chest, back, and arms, which also leaves behind a lot ...
Dr. Wu Yuxin Reply:
A literal description without actual observation of the lesions cannot confirm the diagnosis. It is recommended to have a dermatologist evaluate the condition for accurate assessment. For acne, treatments may include topical alpha hydroxy acids, retinoids, chemical peels, or gent...[Read More] Effective Acne and Scar Treatment: Tips for Clear Skin