IPL, Dermatology FAQ

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.

Understanding the Healing Timeline After Cryotherapy for Corns

The time for the skin to peel after cryotherapy for a corn? Hello Doctor: I have been troubled for 3 months. The sequence of events is as follows: I initially applied topical ointments without improvement, then sought help from a dermatologist. During my first visit, Dr. A used a...

Dr. Wu Yuxin Reply:
2-3 weeks. However, some may require multiple treatments before falling off, and there is a certain degree of variability in the outcomes.

Struggling with Dry Skin and Acne After Using A-Retinoids: What to Do?

After applying tretinoin, my skin has become dry, but my acne is increasing? Hello doctor, in March I visited a dermatologist because I was experiencing a lot of acne. The doctor prescribed me a topical medication called Lactic Acid and Tretinoin, but my skin became increasingly ...

Dr. Wu Yuxin Reply:
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.

Understanding Small Itchy Bumps on Arms: Is It Hives or Something Else?

Suspected urticaria on the arm? I have small, itchy bumps on my arm that seem to multiply the more I scratch them. Initially, I thought it might be hives, but after looking at some case images, I noticed that hives tend to be larger and more widespread, while mine are small and g...

Dr. Wu Yuxin Reply:
Medical regulations state that "a physician must personally examine a patient before providing treatment or prescribing medication..." Therefore, online diagnosis is also not permissible. If you are experiencing significant distress, it is advisable to seek medical atte...

Unidentified Prepuce Condition: A Year of Misdiagnoses and Frustration

Unidentified preputial disease that multiple physicians are unable to diagnose? (I apologize, but please allow me to first explain this special feedback from a physician and the response from the Taiwan Dermatological Association, before introducing my symptoms:) I have had sympt...

Dr. Wu Yuxin Reply:
Actually, even with all that you've written, I still can't make a judgment because I can't diagnose skin issues without seeing them in person. If you live in the northern part of the country, I recommend consulting Dr. Lin Chong.

Can Dermatology Treat Small Oral Growths with Cryotherapy?

Continuation of Question #155592: Protrusions of the oral and maxillary folds? Dear Dr. Wu, Thank you very much for your personal response to my inquiry regarding the "Oral and Maxillofacial Papules" in article #155592. I will follow your advice and consult with a dent...

Dr. Wu Yuxin Reply:
In principle, it is possible, but the treatment may not be covered by health insurance.

Understanding Scab Formation on Skin: Causes and Concerns

Multiple scabs In the past month, I have noticed multiple small scabs on my right leg, appearing in various spots, while my left leg has very few scabs. I don't recall scratching my skin. I recently adopted a cat. Could you please explain why this is happening?

Dr. Li Yufen Reply:
Hello: It is not possible to diagnose skin diseases based solely on a textual description. Due to recent significant climate changes, you may try applying a moisturizing lotion locally for care. If the skin lesions do not improve or worsen, it is advisable to consult a nearby der...

Addressing Scar Issues with Beauty Tape: Tips for Healing

Questions related to the use of silicone tape for scars? Hello Doctor, after the car accident, I had six stitches on my wound. The scab has now fallen off, and I am currently using silicone tape. However, the area where the tape is applied is peeling. I'm not sure what to do...

Dr. Wu Yuxin Reply:
Applying Vaseline? In principle, it is possible, but beauty tape may not adhere properly.

Managing Persistent Eczema Near the Anus: Causes and Solutions

Eczema recurrence near the anal area? Hello, Doctor. I'm asking on behalf of my boyfriend. Thank you for taking the time to read this. My boyfriend has eczema located just below the anus. The doctor mentioned that excessive cleaning of the area may wash away the natural oils...

Dr. Li Yufen Reply:
Hello: If you are experiencing persistent itching around the anal area, it is advisable to keep the area dry, breathable, and comfortable. Wearing loose-fitting pants is recommended, and try to avoid prolonged sitting; getting up to move around every hour can be beneficial. If po...

Can Common Warts Appear on the Scrotum? Understanding Transmission and Risks

Can common warts appear on the scrotum? Hello, doctor. I have developed a viral wart on my finger, and after undergoing cryotherapy, it has recurred. I now see similar lesions on my scrotum, approximately 0.5 x 0.5 cm in size. I would like to ask if it is possible for the infecti...

Dr. Wu Yuxin Reply:
It is possible for a finger infection to spread to the scrotum, but the likelihood is not very high. Whether it is genital warts can only be determined through examination.

Can Cryotherapy Spread Viral Warts Among Multiple Patients?

Cryotherapy 147429 In cryotherapy, if a nurse treats multiple patients using the same cup and cotton swabs for different areas such as frozen feet, hands, or genital regions, is there a risk of transmitting different viral warts?

Dr. Wu Yuxin Reply:
The chances are very low, so there's no need to worry too much.

Effectiveness of Laser Treatment for Café-au-Lait Spots

The effect of laser treatment on café au lait spots? Hello, doctor: I would like to ask you about the effectiveness of laser treatment for café-au-lait spots on the face. I found information online that suggests they may easily recur, while other sources indicate that multiple la...

Dr. Wu Yuxin Reply:
It can be lightened to some extent, but complete eradication may not be possible.

Effective Treatments for Enlarged Pores: Microneedling vs. Dermabrasion

Enlarged pores on the cheeks? I would like to inquire about how many times I have undergone fractional laser, intense pulsed light (IPL) treatments, and chemical peels. Due to living abroad, I am unable to have laser treatments regularly, but I do microneedling at home. However, ...

Dr. Li Yufen Reply:
Hello: Theoretically, fractional laser, chemical peels, and laser resurfacing can all improve enlarged pores. It is recommended that you visit a medical aesthetic center or clinic for a comprehensive evaluation. Thank you!

Flying After Sebaceous Cyst Surgery: What You Need to Know

Is it safe to fly after having a sebaceous cyst removed? Hello, I would like to ask about having surgery for a sebaceous cyst. Due to time constraints, I can only schedule the surgery two to three days before my trip abroad. Is it safe to fly one or two days after the surgery? (I...

Dr. Wu Yuxin Reply:
In principle, there should be no problem. However, regarding this issue, you should consult your attending physician, as they are most familiar with your condition.

Can You Use Face Masks on Scarred Skin After a Burn?

Can I apply a facial mask on a scar in the philtrum? Doctor, I accidentally burned the philtrum area of my face with smoke about two weeks ago. I visited a dermatologist who said the wound is minor and that I can just apply scar cream without needing to focus on sun protection. T...

Dr. Wu Yuxin Reply:
In principle, it is acceptable; however, if redness or irritation occurs while using the mask, it should be discontinued immediately.

Unexplained Skin Lesions: Red, Painful, and Non-Bleeding Concerns

Skin with unexplained abrasions, no bleeding but red, and feels painful to the touch? Recently, I have developed unexplained skin lesions that are not bleeding but are red and sting when touched. There are multiple areas affected (one on my arm and one on my chest). Last week, I ...

Dr. Wu Yuxin Reply:
No lesions were observed, making it difficult to determine the issue. If you are very concerned, please seek medical attention promptly.

Understanding Lipomas: When to Consider Removal and What to Expect

Liposuction excision? About six months ago, I discovered two lipomas on my left arm, one measuring 0.6 cm and another 0.2 cm located approximately 1 cm away. So far, neither has grown significantly. However, in the past month, I noticed a sudden 0.3 cm bump on the skin in front o...

Dr. Wu Yuxin Reply:
It is not possible to determine the presence of a lipoma solely based on a written description. The development of lipomas (whether singular or multiple) is indeed related to an individual's body constitution. Not all lipomas need to be surgically removed.

Understanding Severe Hand and Foot Swelling: Allergies or Other Conditions?

Redness, swelling, itching, and pain in the palm, which later spread to the soles of the feet, accompanied by mosquito bite-like lesions and erythema? The patient is a 64-year-old male who initially presented with redness and swelling in the palms, accompanied by itchy, raised we...

Dr. Li Yufen Reply:
Hello: Generally speaking, cellulitis presents with localized redness, swelling, heat, and pain, typically affecting a single area. It is rare to have systemic multiple lesions. In severe cases, if complicated by bacteremia, there may be systemic symptoms such as fever and chills...

Does Athlete's Foot Develop Drug Resistance with Multiple Treatments?

Is there an issue with drug resistance in athlete's foot? Hello Doctor: I recently visited a clinic for my athlete's foot issue. After receiving recommendations from friends and family, I switched to 2-3 different clinics, but my condition hasn't improved. Addition...

Dr. Wu Yuxin Reply:
Antibiotic resistance is often developed by patients due to insufficient treatment duration, self-discontinuation of medication, or switching medications without guidance. It is important to communicate with the same physician; if necessary, the physician will assist in changing ...

Understanding Scabies Nodules: Questions and Concerns for Parents

Scabies nodules Hello, Doctor. I apologize for the interruption! My daughter is currently one year and four months old. Last month, she was diagnosed with scabies, and after two weeks of treatment (all family members who had contact were treated as well), the doctor said that the...

Dr. Wu Yuxin Reply:
1. In principle, it is 2. The nodules may persist for several weeks to months, and it is important to monitor for any new lesions. 3. Without visualizing the lesions, it is impossible to determine the issue. If it is causing significant concern, please seek medical attention prom...

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