IPL, Dermatology FAQ

Effectiveness of Hair Removal Creams: Do They Really Work?

Depilatory cream Are commercially available depilatory creams effective (seemingly using a physical principle for hair removal)?

Dr. Huang Ruiyun Reply:
Effective. One method is chemical depilation, which can be used according to the instructions: apply it to the area to be depilated and wash it off after the time indicated in the instructions. There is also physical depilation (waxing), where you apply wax to the area, place the...

Struggling with Skin Issues: Seeking Solutions for Acne Scars and Oily Skin

I'm sorry, but I need more However, I know that place doesn't work! It doesn't seem to have any effect.... I also asked my mom if I've improved a little after taking it, and she said no!! I feel like what I have on my face isn't acne—it's scars, some...

Dr. Huang Ruiyun Reply:
The same acne medication may not have the same effects on everyone, so doctors will adjust the treatment based on follow-up visits. You should consider visiting the same clinic multiple times or going to a municipal hospital or a foundation hospital that has a specialized dermato...

Understanding and Treating 'Rich Hand' Skin Condition: Expert Advice

It is known as "Mongolian spots." Hello Dr. Jiang, I am asking on behalf of my friend. Whenever his hands come into contact with water, they become severely damaged, like peeling skin and so on. He has seen many doctors, but nothing has worked. Is there no cure for this...

Dr. Jiang Zheen Reply:
The correct treatment principles for patients with hand eczema are as follows: Protection: In addition to bathing and handwashing, gloves should be worn whenever coming into contact with chemicals, cleaning agents, or even water. The inner layer should be cotton, with a plastic o...

Understanding Contact Dermatitis: Treatment and Prevention Tips

Contact dermatitis Hello Doctor: I initially noticed small bumps on my lips, which do not have blisters, and I often feel a stinging sensation. After a few days, the bumps disappear, but they reappear after some time. My doctor diagnosed it as contact dermatitis and prescribed ne...

Dr. Jiang Zheen Reply:
Neomycin is a topical antibiotic that is generally not suitable for treating contact dermatitis. For the treatment of contact dermatitis, moisturizing creams, petroleum jelly, and low-potency topical corticosteroids can be used. The principle is to discontinue use once symptoms i...

Understanding Intense Pulsed Light Therapy: Costs and Treatment Sessions

Intense Pulsed Light (IPL) Could you please let me know if your clinic offers intense pulsed light (IPL) treatments? How much does a single session cost, and how many sessions are required for the entire treatment? Thank you.

Dr. Zheng Lizhen Reply:
Hello: We apologize, but our hospital currently does not have pulsed light facilities. Sincerely, Dr. Cheng Li-Chen, Dermatology.

Effective Treatments for Acne Scars and Enlarged Pores: What You Need to Know

I'm really worried? Hello, doctor: I have scars left from acne and would like to know how to achieve a clear and flawless complexion. Are laser treatments or glycolic acid peels effective? Are they suitable for sensitive skin? Additionally, my facial pores are quite enlarged...

Dr. Huang Ruiyun Reply:
If acne scars are only red and dark unevenly, they will fade over time, which can take several months. Treatments like chemical peels, laser therapy, and intense pulsed light (IPL) can expedite the fading process, but the scars will not disappear immediately; you still have to wa...

How Soon After AHA Peels Can You Remove Skin Tags?

How long after a chemical peel can I have a mole removal? I had a chemical peel yesterday, and one of my acne spots has scabbed over today because I picked at it after the peel. It looks a bit dark... I'm worried it might turn into a mole. How long after the chemical peel ca...

Dr. Zheng Lizhen Reply:
Hello: After acne scabs over, it will not turn into a mole; at most, it may result in post-inflammatory hyperpigmentation. After about two weeks of using alpha hydroxy acids, you can start treating moles. Even for flat moles, the number of treatments required can only be determin...

Understanding Hair Loss: Causes and Solutions for Young Adults

Hair loss Hello, doctor: I am 20 years old and currently attending university. I used to dye my hair several times with friends, but after multiple dyeing sessions, I noticed that my hair became very dry and straw-like. I feel a lot of dryness when washing my hair, and as a resul...

Dr. Chen Yiying Reply:
Hello: In response to your question, how long have you noticed your hair loss? How many strands do you lose each day? Is there a family history of baldness? There are many potential causes for hair loss, and the underlying reasons can be quite complex. It is best to have a person...

Understanding 'Snake Waist': When to See a Dermatologist for Skin Issues

I'm not sure if "snake waist" requires a visit to a dermatologist? I would like to ask a question. My mom has developed a cluster of small, blister-like bumps on her lower back near her waist. She visited a clinic, and the doctor said it is called "shingles.&q...

Dr. Jiang Zheen Reply:
Your mother's skin condition is shingles, which is a disease treated by dermatologists. It is a viral infection that can cause nerve pain in older patients. Currently, there is an oral medication in dermatology called gabapentin that is effective for nerve pain in some indiv...

How Misusing Skin Creams Can Lead to Deteriorating Skin Conditions

Substance abuse leading to deteriorating skin condition? I heard that applying a cream called "Hydroquinone" can help with skin whitening, so I bought it since it's available at many pharmacies. At first, it worked well and even faded some scars. Without realizing ...

Dr. Huang Ruiyun Reply:
In theory, Hirudoid does not have the side effects you mentioned (nor the effects you described). It is recommended that you visit a dermatologist in person, as further diagnosis cannot be made online.

How Drug Abuse Can Deteriorate Your Skin Health

Substance abuse leads to deteriorating skin condition? I heard that applying a cream called "Hydroquinone" can help with skin whitening, so I bought it since it's available at many pharmacies. At first, it worked well and even helped fade scars. Unknowingly, I used...

Understanding Hair Loss: A Guide for Young Adults Facing Thinning Hair

Hair loss Hello Doctor: I am 20 years old and have dyed my hair several times, after which I started experiencing hair loss. This condition has continued until now. I have visited multiple hospitals, but the doctors diagnosed me with male pattern baldness without conducting a tho...

Dr. Zheng Lizhen Reply:
Hello: Male pattern baldness does not require special examination methods. Dermatologists, through their professional training, can usually differentiate various types of hair loss just by visual inspection. Many examination devices available on the market are mostly gimmicks tha...

Understanding Scalp Issues: Hair Loss, Recovery, and Medication Effects

Scalp issues I have bleached my hair multiple times in a short period, and my scalp feels very irritated. It now feels like it has sunburn, and I’ve noticed some thinning at the crown of my head, with the left frontal area having only pores. Will the injured scalp recover tempora...

Dr. Huang Ruiyun Reply:
Do not bleach your hair anymore; observe for three to six months. If your hair starts to grow back during that time, it indicates that the hair follicles are not dead. Psychiatric medications do not cause hair loss; however, certain stress related to mental illnesses can lead to ...

Managing Multiple Allergies: Effective Strategies for Recovery and Health

Allergy I am 19 years old and have many allergic conditions, including: 1. sun (heat) allergy, 2. mosquito (flea, dust) allergy, 3. allergic reaction to ointments, 4. egg allergy, 5. history of urticaria, 6. atopic dermatitis, and 7. allergic rhinitis, among others. How can I res...

Dr. Huang Ruiyun Reply:
The immune system is difficult to grasp or regulate, and most immunosuppressants have long-term side effects (antihistamines are not included). The so-called improvement of constitution is actually beyond the current capabilities of humanity to truly control. A regular and simple...

Identifying Unknown Bug Bites: Causes and Treatment Options

Insect bite I was recently bitten by an unknown insect. I'm not sure if it was a mosquito or a flea. After the bite, the area became swollen and blisters formed. There are multiple bites in the same location. Applying medication has not been effective. Could you please let m...

Dr. Huang Ruiyun Reply:
This is due to your stronger immune response to the insect bite. If there are no complications such as secondary infections from scratching, it will heal on its own in one to two weeks. If you are experiencing significant discomfort, you may consider visiting a dermatologist.

Understanding Warts: Healing or Recurrence After Treatment?

Could you please provide more details about the condition of the warts? Hello, I recently developed a "wart" on a wound on my face (the type that keeps growing and causes the skin to flake off). After undergoing multiple cryotherapy sessions, it seemed to have healed, b...

Dr. Chen Yiying Reply:
Hello: In response to your question, if warts are not completely eradicated, they are likely to recur, which would render the discomfort endured during cryotherapy ineffective. I recommend that you return for a follow-up appointment to "confirm" whether you are fully he...

Understanding Arm Bumps: Causes and Treatments for Skin Concerns

"Acne" on the arm? Hello Dr. Cheng, I have developed many small bumps on both of my arms that resemble acne since around middle school. They are not painful or itchy. Could you please explain what might be causing this? Additionally, what methods can be used to restore...

Dr. Zheng Lizhen Reply:
Hello: 1. The condition on your arm may be keratosis pilaris; please visit a dermatology clinic for an accurate diagnosis and treatment. 2. The laser spot size is approximately 2-4 mm, so one treatment should be sufficient to cover your spots, but it may not completely remove the...

Best Age to Remove Birthmarks on Children's Faces: Expert Insights

Age for mole treatment on the face? Hello Dr. Cheng, My child was born with a mole on the cheek, which has not changed in size or color since birth (now six months old), remaining approximately 0.5cm x 0.5cm. I am concerned about its potential impact on personality development a...

Dr. Zheng Lizhen Reply:
Hello: If a birthmark has grown larger but has not changed color since birth, it is generally advisable to observe it first. There is no strict age limit for treatment; the key principle is the ability to cooperate, as some adults may not be able to cooperate depending on their m...

How to Prevent Scarring on Your Knee After an Injury

Scar If you are injured from a fall and are concerned about scarring on your knee, there are several preventive measures you can take. First, keep the wound clean and covered with a sterile bandage to protect it from infection. You can apply an over-the-counter antibiotic ointmen...

Dr. Zheng Lizhen Reply:
Hello: Whether a scar forms primarily depends on the depth and severity of the wound, as well as an individual's healing capacity. The principle is to maintain cleanliness and prevent wound infection, which can help avoid further scar formation. Sincerely, Dr. Cheng Li-Chen,...

Understanding Intense Pulsed Light Hair Removal: Costs and Side Effects

Intense Pulsed Light (IPL) Hair Removal Does your hospital offer pulsed light hair removal technology? If so, what is the cost? Are there any potential side effects?

Dr. Huang Ruiyun Reply:
Our clinic uses pulsed electromagnetic wave therapy for hair removal. The cost is NT$100 per pulse, with each pulse covering an area of approximately 1*3 cm. However, complete coverage and slight overlapping during the procedure are necessary, and since the treatment areas vary i...

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