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 Acne Treatment: A Guide to Using AHA and Retinoids
Acne treatment Hello, Doctor: Q1: Would you recommend alternating the application of tretinoin (A acid) and mandelic acid for treatment? Q2: Following up on the previous question, if it is recommended, what should be the order of application? Q3: I have redness and dark spots ...
Dr. Wu Yuxin Reply:
It is not recommended to use them on the same day. The method of use should be discussed with the physician who prescribed them to you. Without examining the actual skin lesions, an online consultation cannot provide a prescription recommendation.[Read More] Effective Acne Treatment: A Guide to Using AHA and Retinoids
Understanding the Impact of AHA and Retinoids on Skin Microvascular Health
A acid and azelaic acid issues? Hello, doctor. I have seen many discussions online about the long-term use of acids such as retinoic acid and azelaic acid causing the appearance of telangiectasia on the face. However, after reading educational articles, I learned that these acids...
Dr. Li Yufen Reply:
Hello: Thinning of the stratum corneum does not cause telangiectasia. The most common reasons for facial telangiectasia may include having a rosacea-prone skin type or the use of topical corticosteroids. If the skin condition does not improve or worsens, it is advisable to consul...[Read More] Understanding the Impact of AHA and Retinoids on Skin Microvascular Health
Managing Acne with Adapalene: Tips for Safe Application and Care
Acne and issues related to retinoids? Hello, doctor. I am currently using Adapalene gel, and I found out that it contains third-generation retinoid (Adapalene). I would like to ask if I can apply the medication on broken and unhealed acne wounds, or should I avoid it? I usually a...
Dr. Wu Yuxin Reply:
It can still be used. I personally recommend applying AHA about half an hour after using skincare products.[Read More] Managing Acne with Adapalene: Tips for Safe Application and Care
Understanding Skin Issues: A Guide to AHA Use and Spot Concerns
Spotting issues? I would like to ask the doctor, I have recently been using first-generation retinoids on my face, and so far the results have been quite good; my spots have faded significantly and I am experiencing fewer breakouts. However, when I applied it to my body, I notice...
Dr. Wu Yuxin Reply:
The appearance of small spots may not necessarily be related to retinoic acid. It is advisable to discuss this with a dermatologist.[Read More] Understanding Skin Issues: A Guide to AHA Use and Spot Concerns
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
Impact of AHA on Laser Mole Removal and Acne Treatment Duration
Laser mole removal and issues related to retinoic acid? Hello, doctor. I had laser mole removal, but there are some pimples around the wound. I am currently using a third-generation topical retinoid, but I accidentally applied it to the laser wound. What impact could this have on...
Dr. Wu Yuxin Reply:
Applying A acid to wounds primarily causes irritation, and doing so once or twice should not pose significant issues. As for how long it takes to treat acne, there is no definitive answer. The treatment of acne is more about management rather than complete eradication, as there a...[Read More] Impact of AHA on Laser Mole Removal and Acne Treatment Duration
Can I Use AHA After Fraxel Laser Treatment? Expert Answers Inside
Can I apply tretinoin after undergoing fractional CO2 laser treatment? Hello, doctor. I have been using first-generation retinoids for over a year with satisfactory results, and I no longer experience redness or peeling. I paused the retinoids for five days before my fractional l...
Dr. Wu Yuxin Reply:
It is recommended to refrain from any stimulating activities for at least one week after the injection.[Read More] Can I Use AHA After Fraxel Laser Treatment? Expert Answers Inside
Which Acidic Body Lotion is Best for Keratosis: Salicylic vs. Glycolic?
Which type of acidic body lotion is more suitable for individuals with keratosis? Recently, I've seen many body lotions containing acids, such as 2% salicylic acid body lotion and 10% alpha hydroxy acid (AHA) body lotion. Which one is more suitable for keratosis?
Dr. Wu Yuxin Reply:
Both options are actually available, and consumers can choose for themselves.[Read More] Which Acidic Body Lotion is Best for Keratosis: Salicylic vs. Glycolic?
Why Does My Ankle Itch Like Bugs Crawling While Brushing Teeth?
It feels like there are many insects crawling on my ankle while brushing my teeth? It has been a long time, probably since childhood, but I forgot. When I brush my teeth while standing, my ankles feel itchy, similar to the sensation of many bugs crawling. This happens especially ...
Dr. Wu Yuxin Reply:
I haven't encountered this before, but it might be a good idea to start by getting checked in the field of neurology.[Read More] Why Does My Ankle Itch Like Bugs Crawling While Brushing Teeth?
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
How to Fade Post-Rash Pigmentation: Tips for Faster Recovery
Regarding the pigmentation that remains after a rash? Hello Doctor, I am currently not in the country, so I would like to inquire here. In mid-February, I noticed an oval-shaped red rash near my armpits on both sides of my chest, which was slightly itchy. It gradually spread to b...
Dr. Wu Yuxin Reply:
Rhododendron acid is permissible, but it requires a physician's prescription.[Read More] How to Fade Post-Rash Pigmentation: Tips for Faster Recovery
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?
How to Treat Skin Darkening After Using AHA and Sun Exposure
A acid issues skin problems I previously used retinoic acid and accidentally got sun exposure, resulting in some areas of my face becoming darker. It hasn't improved until now. Will this get better? How can I improve it?
Dr. Wu Yuxin Reply:
It will get better, but it will take some time. It is recommended to practice good sun protection.[Read More] How to Treat Skin Darkening After Using AHA and Sun Exposure
Using Topical AHA and Antibiotics: Order and Timing Explained
Topical retinoids and antibiotics issues? 1. When using topical retinoids (such as tretinoin) and topical antibiotics, it is generally recommended to apply the topical retinoid first and then wait about 20-30 minutes before applying the topical antibiotic. This allows the retinoi...
Dr. Wu Yuxin Reply:
1. Start with A acid. 2. It can be used immediately.[Read More] Using Topical AHA and Antibiotics: Order and Timing Explained
Using AHA and Retinoids Together: Is It Too Much for Your Skin?
Alternating the use of mandelic acid and retinoic acid day and night? Hello, doctor! I have recently been using retinoic acid to improve my acne issues. I would like to ask if applying retinoic acid at night and using Dr. Wu's almond acid brightening serum during the day wou...
Dr. Wu Yuxin Reply:
Skin types and tolerance vary among individuals, and there is no standard answer. If there are any issues with usage, it is advisable to discuss them directly with a physician.[Read More] Using AHA and Retinoids Together: Is It Too Much for Your Skin?
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
How to Soothe Skin Irritation from AHA Treatments: Tips and Advice
Skin irritation Hello, Doctor: 1. How can I relieve the stinging sensation on my face after applying tretinoin (A acid)? Should I use lotion or toner? 2. My cheeks were already prone to redness before using tretinoin, and there has been no improvement after about four days of ...
Dr. Wu Yuxin Reply:
1. First, apply lotion. 2. Without actually seeing the lesion, it is impossible to determine; if it is very concerning, please seek medical attention as soon as possible. 3. Choose a product that is alcohol-free. 4. Any of them are acceptable.[Read More] How to Soothe Skin Irritation from AHA Treatments: Tips and Advice
Understanding Skin Reactions to Topical AHA and Retinoids
Topical retinoic acid facial reactions Doctor, may I ask if it is normal to experience slight redness and a warm sensation after applying first-generation retinoids and azelaic acid on the face? Thank you.
Dr. Wu Yuxin Reply:
Yes, you can try using a smaller amount.[Read More] Understanding Skin Reactions to Topical AHA and Retinoids
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?