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
Managing Solar Urticaria: Can Supplements Help or Just Sunscreen?
Solar urticaria Hello, doctor. I was recently diagnosed with solar urticaria. I came across some dietary supplements online that claim to change the body's constitution and reduce or even suppress outbreaks. The main ingredients include collagen, Streptococcus thermophilus f...
Dr. Wu Yuxin Reply:
Sunscreen is still the most important.[Read More] Managing Solar Urticaria: Can Supplements Help or Just Sunscreen?
Effective Creams for Removing Sun Spots: Recommendations and Where to Buy
The issue of having sunspots on the face? I have sunspots on my face due to sun exposure, and I know that laser treatment is an option. However, I would like to try using a cream to remove the sunspots first. Where can I buy a cream for removing sunspots? Do you have any recommen...
Dr. Li Yufen Reply:
Hello: For the issue of facial sunspots, it is recommended to prioritize daily sun protection. You can apply sunscreen lotion on your face and reapply it every 2-3 hours. When going outside, use an umbrella, wear a hat, sunglasses, and a mask to block UV damage. If you wish to us...[Read More] Effective Creams for Removing Sun Spots: Recommendations and Where to Buy
Achieving a Tan Safely: Sunscreen Tips for Healthy Skin
Do not inhibit melanin? Sunlight can cause skin aging; however, if you desire a deeper skin tone, are there recommended sun protection or skincare methods that can effectively prevent dark spots and skin cancer while still allowing for tanning?
Dr. Wu Yuxin Reply:
Currently, there may not be a perfect solution that satisfies both sides.[Read More] Achieving a Tan Safely: Sunscreen Tips for Healthy Skin
Can I Use First-Generation and Third-Generation Retinoids Together?
Can third-generation retinoids be used together with first-generation retinoids? Hello, Doctor. I would like to ask if it is okay for me to use first-generation retinoic acid twice a week for strengthening my acne treatment, while continuing to use third-generation retinoic acid ...
Dr. Li Yufen Reply:
Hello: For a detailed introduction to topical retinoids, you can refer to "Beauty's Good Friend" at https://www.medpartner.club/topical-retinoids-introduction/ and Dr. Wang Hsiu-Han's "Ten Important Points about Topical Retinoic Acid" at https://www....[Read More] Can I Use First-Generation and Third-Generation Retinoids Together?
Understanding the Use of Acid Creams for Acne Treatment: Expert Answers
Acid ointment Hello Doctor, I have some questions regarding acid-based ointments: (1) When I apply tretinoin on my neck to treat acne, my skin becomes very itchy. Should I stop using it to allow the redness and itching to improve, or should I continue using it consistently to t...
Dr. Wu Yuxin Reply:
1. If it itches, stop using it and discuss it with your doctor. 2. It can be applied to the entire face. 3. It can be applied continuously. 4. Apply lotion first, then apply the ointment. 5. It is not recommended for daytime use.[Read More] Understanding the Use of Acid Creams for Acne Treatment: Expert Answers
Understanding Rosacea Treatment: Gel Usage, Dosage, and Skincare Tips
Inquiry about rosacea medications and skincare products? Dear Dr. Wu, I was recently diagnosed with rosacea, and my doctor prescribed me with Puri Gel. I have a few questions: 1. Should it be applied to the entire face? What is the recommended amount to use at one time? 2. Does...
Dr. Wu Yuxin Reply:
1. In principle, yes, approximately 5-10mm should be sufficient for a thin application over the entire face. 2. Yes, it is possible. 3. There are no specific restrictions. 4. It mainly depends on individual needs, as there are differences between indoor and outdoor work, as well ...[Read More] Understanding Rosacea Treatment: Gel Usage, Dosage, and Skincare Tips
Understanding Rosacea Treatment: Gel Application and Skincare Tips
Inquiry about rosacea medications and skincare products? Hello Dr. Wu, I was recently diagnosed with rosacea, and my doctor prescribed me with Puri Gel. I have a few questions: 1. Should it be used on the entire face? What is the recommended amount to use at one time? 2. Does t...
Dr. Wu Yuxin Reply:
1. In principle, yes, approximately 5-10mm should be sufficient for a thin application over the entire face. 2. Yes, it can be used. 3. There are no specific restrictions. 4. It mainly depends on individual needs, as there are differences between indoor and outdoor work, as well ...[Read More] Understanding Rosacea Treatment: Gel Application and Skincare Tips
Managing Excess Oil After Using A Acid: Tips and Solutions
Severe oiliness after using retinoids? Hello Doctor: I have been experiencing irregular sleep patterns and sudden stress, which has caused a breakout of acne. A month ago, I visited a dermatologist who prescribed me two doxycycline enteric-coated capsules daily, along with applyi...
Dr. Wu Yuxin Reply:
1. You should consult your attending physician about this issue, as they are most familiar with your condition and can help you choose the appropriate medication. 2. There are many types of scars, such as red acne scars, dark acne scars, and atrophic scars. Topical ointments may ...[Read More] Managing Excess Oil After Using A Acid: Tips and Solutions
Understanding Genetic Risks and Immune Factors in Vitiligo
Vitiligo (Leukoderma) Genetic Issues Hello, doctor. As far as I know, my grandmother seems to have this issue, and one uncle and my father both started to develop vitiligo in their 50s, with extensive depigmentation continuing (they only prefer topical steroid treatment and are u...
Dr. Wu Yuxin Reply:
Currently, there is no genetic testing available for this aspect. While there may be a hereditary tendency, it is not absolute. I understand your concerns; you may want to gather relevant information first and try to persuade your partner.[Read More] Understanding Genetic Risks and Immune Factors in Vitiligo
Understanding Dark Lips: Causes and Solutions for Lip Color Changes
Lip Issues - Lip Color Hello Doctor: My lips look like the photo in the link (https://img.onl/el2H6z) and are usually a purplish-black color, similar to the character Fujiki from "Chibi Maruko-chan." What could be the reason for this? I didn't have this purplish-bl...
Dr. Wu Yuxin Reply:
Medical regulations state that "a physician must personally examine a patient before providing treatment or prescribing medication," and therefore, online diagnosis is not permitted. If you are experiencing significant distress, it is advisable to seek medical attention...[Read More] Understanding Dark Lips: Causes and Solutions for Lip Color Changes
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
Understanding Skin Irritation After Sunscreen Use: Causes and Solutions
The skin has developed redness and inflammation after applying sunscreen? Hello, I currently have an issue with my skin that has resulted in "redness and inflammation after using sunscreen spray." **[End of April - Arm Skin Inflammation]** At the end of April, I spent...
Dr. Wu Yuxin Reply:
1. It is possible that you are continuously exposing yourself to sunlight, leading to ongoing inflammation. 2. Without observing any lesions, it is difficult to determine the exact issue. If it is causing significant distress, please seek medical attention promptly. 3. It is ...[Read More] Understanding Skin Irritation After Sunscreen Use: Causes and Solutions
What to Do If Your Face Turns Dark After Using Wart Removal Liquid?
The wart removal solution applied to the face resulted in dark spots on the skin? If your face appears dark after applying wart removal solution, you should first wash your face gently with mild soap and water to remove any residue. Avoid scrubbing or using harsh products that ma...
Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to accurately diagnose a skin condition. It could potentially be post-inflammatory hyperpigmentation. You can take preventive measures such as using sunscreen, applying skin repair creams, and supplementing with v...[Read More] What to Do If Your Face Turns Dark After Using Wart Removal Liquid?
Uneven Skin Tone on Lower Legs: Causes and Treatment Options
Discoloration spots appear on the lower part of the calf? Hello, doctor. I started using spray sunscreen this week, but since the length of my pants exposes a small portion of my calves, I may not have applied it evenly. I've noticed that the exposed area of my calves has de...
Dr. Wu Yuxin Reply:
Sure.[Read More] Uneven Skin Tone on Lower Legs: Causes and Treatment Options
Understanding A Acid: Why It Can Cause Darkening of the Skin
Using tretinoin can cause darkening of the skin? I would like to ask about the argument regarding the darkening effect of retinoids (A acid). There are various opinions online, and I have seen some doctors explain that retinoids are not photosensitive but recommend applying them ...
Dr. Wu Yuxin Reply:
It is recommended to use it at night or avoid light exposure.[Read More] Understanding A Acid: Why It Can Cause Darkening of the Skin
Managing Urticaria: Concerns with Topical Steroid Use on the Face
Topical corticosteroids for urticaria? If you have developed hives on your face and have been using a topical corticosteroid cream prescribed by your doctor for three days, but your skin has worsened, becoming very dry, flaky, and wrinkled, resembling that of an older adult, it i...
Dr. Wu Yuxin Reply:
Discontinue the medication and apply moisturizer.[Read More] Managing Urticaria: Concerns with Topical Steroid Use on the Face
Can I Use AHA on My Neck? Understanding Skin Reactions and Care
Can A acid be applied to the neck? Director Wu, may I ask if applying 1% retinoic acid on my neck every night and using sunscreen during the day is appropriate? Now, after one month, I've noticed that the horizontal lines on my neck have changed from red and swollen to sever...
Dr. Wu Yuxin Reply:
Using tretinoin will not cause scarring, but for your specific concerns, you should consult your prescribing physician, as they are most familiar with your condition.[Read More] Can I Use AHA on My Neck? Understanding Skin Reactions and Care
Understanding Prolonged Breakouts While Using Topical Retinoids
Topical retinoid exacerbation phase Hello, Doctor. I stopped taking oral contraceptives after five to six years, and my skin condition has become quite unstable. I did some research online and learned about the effects of retinoids (A acid) for treating acne and anti-aging, so I ...
Dr. Li Yufen Reply:
Hello: For a detailed introduction to topical retinoids, you can refer to the article from Med's Good Friends at https://www.medpartner.club/topical-retinoids-introduction/. If the skin lesions do not improve or worsen, it is recommended to consult a nearby dermatologist for...[Read More] Understanding Prolonged Breakouts While Using Topical Retinoids
Balancing Sunscreen Use and Bone Health: How Much Sun Do You Need?
The impact of sunscreen on bone health? I have been very diligent about sun protection, and since I hardly get any sun exposure, I am concerned about aging and developing dark spots. However, I am also worried about osteoporosis, so I am considering not applying sunscreen and get...
Dr. Li Yufen Reply:
Hello: For a detailed introduction to sunscreen and vitamin D, you can refer to the article from Med's Good Friend at https://www.medpartner.club/sunscreen-vitamin-d-deficiency-myth/. Here are the key points: 1. Sunscreens may indeed reduce the synthesis of vitamin D in the...[Read More] Balancing Sunscreen Use and Bone Health: How Much Sun Do You Need?