Azelaic acid, Dermatology FAQ

Understanding the Use of Silian Cream for Acne Treatment and Prevention

Regarding the usage of Silian Cream? Can I apply that ointment immediately after squeezing a pimple, or does it only serve to lighten acne scars and prevent new breakouts? Additionally, how can I prevent hyperpigmentation from acne? Sometimes, even if I don't touch the pimpl...

Dr. Wu Yuxin Reply:
1. Silyan cream contains azelaic acid, which is a commonly used topical medication in dermatology. This medication is effective for acne, comedones, enlarged pores, and skin whitening to reduce pigmentation. 2. Melanin deposition refers to what we call post-inflammatory hyperpi...

Effective Use of Azelaic Acid: Dosage, Duration, and Moisturizing Tips

Regarding rhododendron acid? Hello, I am currently using azelaic acid at a concentration of 20%, applying it once in the morning and once at night. I apply it to my entire face, so I would like to know how much product I should use for each application to be effective. How long w...

Dr. Wu Yuxin Reply:
As long as there is no allergic reaction, it can continue to be used. The general guideline for application is to apply it twice until the ointment is no longer visible; there is no need to apply excessively. Fading of acne scars typically takes about 1-2 months, and it also depe...

Common Questions About Using AHA and Retinoids for Acne Treatment

Questions regarding the use of certain acids (Retinoic Acid, Azelaic Acid) Due to previous issues with acne, my doctor recommended long-term use of retinoids. I now purchase retinoids and azelaic acid on my own and visit the clinic less frequently. However, I've come across ...

Dr. Huang Ruiyun Reply:
Hello: Response 1: Mixing with lotion can reduce irritation, but it may also decrease the efficacy of the medication. It is advisable to use it based on your skin type. Mix it only when you are about to use it, as pre-mixing may lead to chemical changes and degradation due to p...

Understanding Black Spots on the Glans: Causes and Treatments

Black spots on the glans? Hello: There are black spots on the glans that look a bit like the remnants of eczema, but they are not itchy or painful at all. Should I be concerned about this? If medication is needed, what should I apply?

Dr. Zhang Zhibo Reply:
Hello: The symptoms you described are known as "post-inflammatory hyperpigmentation." Generally, it tends to fade within a few months. If treatment is desired, topical whitening agents can be used; however, due to their potential for irritation, the concentration should...

Understanding Tetracycline vs. Doxycycline for Acne Treatment

The issue of medications and acne? Due to being away from home, I am unable to visit my long-term dermatology clinic for treatment, and I have run out of my previous medication. Therefore, I went to a nearby clinic to ask the doctor to prescribe me tetracycline. However, the long...

Dr. Zhang Zhibo Reply:
Hello: To answer your question, we first need to understand the causes of acne, which can be categorized into four main factors: 1. Hormonal changes and stress lead to increased sebum production. The sebaceous glands are stimulated by male hormones, producing more sebum, which ...

Understanding AHA and Retinoids: Do You Need Sunscreen Indoors?

Several questions? Hello, doctor. I previously had issues with acne and after seeing a doctor, I started using tretinoin and azelaic acid. I use sunscreen when going out, but I don't use it indoors or at home. However, many friends say that when using tretinoin, I should app...

Dr. Huang Ruiyun Reply:
Hello: To be honest, it's not that serious. Using retinoic acid is similar to exfoliation, and the skin is relatively more prone to sunburn. The intensity of sunlight from lamps is not that strong unless you are very close to them (unless it's a desk lamp or table lamp ...

Mixing Hydroquinone and Kojic Acid for Skin Spot Treatment: Tips and Ratios

Spot I have spots on my face that I've had since childhood. Can I mix hydroquinone and azelaic acid together to apply at night? What would be the best ratio?

Dr. Huang Ruiyun Reply:
Hello!!! Currently, there are no reports on the combined use of these two ingredients. It is recommended to use hydroquinone at night and azelaic acid along with sunscreen during the day. If there is no improvement after two months, you may need to consider laser treatment. Wishi...

Mixing Hydroquinone and Kojic Acid for Skin Spot Treatment: Best Practices

Spot I have spots on my face since childhood. Can I mix hydroquinone and azelaic acid together to apply at night? What would be the best ratio?

Dr. Cai Changlin Reply:
Hello, regarding your question, I would like to respond as follows: Since you only mentioned that you are using hydroquinone and kojic acid, but did not specify the concentration, formulation, or other additional ingredients of the products you are using, it is important to note ...

Understanding Skin Whitening Creams: Ingredients, Usage, and Effectiveness

Whitening cream What is the whitening ingredient in WHITE CREAM? Can it be applied in the morning? Should sunscreen be applied after using it? Is AZEL CREAM also a whitening ointment? Is it used at night? After undergoing laser treatment, the clinic doctor prescribed these two oi...

Dr. Zhang Zhibo Reply:
1. The term "white cream" should refer to a whitening ointment, but the main ingredients need to be provided by the manufacturer to determine its composition. 2. Azelaic acid (Azel Cream) itself can treat acne and has a whitening effect, but it can be relatively irritat...

Understanding Skin Whitening Creams: Ingredients, Usage, and Effectiveness

Dr. Cai Changlin Reply:
Hello: The "white cream" you mentioned is a product name and is not registered for a specific ointment. There are more than 30 approved cosmetic products by the Department of Health that include the term "white cream." I suggest you directly consult with your ...

Acne Treatment and Sunscreen: Essential Tips for Clear Skin

Acne treatment and sun protection? Hello, Doctor: I have been experiencing acne for a long time. Yesterday, I visited the hospital, and the doctor prescribed me a topical medication called "Acne Relief Cream," which contains Azelaic Acid. The instructions state to apply...

Dr. Zheng Lizhen Reply:
Hello: 1. Most people experience a tingling or itchy sensation when using azelaic acid. If you find it difficult to tolerate, you can start by applying it once a day and reducing the amount used, allowing your skin to gradually adapt before applying it twice daily. 2. It is im...

Managing Dry Skin and Breakouts with Rhododendron Acid Treatment

Regarding Rhododendron acid~~ Hello Dr. Chen, I visited your clinic and you prescribed me azelaic acid and AHA. However, the weather has been very dry lately, and after applying the medication, my skin feels dry and tight. Can I apply Aveeno Daily Moisturizing Cream to improve th...

Dr. Chen Yiying Reply:
Hello: In response to your question, the dry and cold weather, along with the acidity of azaleas, can cause irritation and itching. You may apply an oatmeal repair cream or another moisturizing lotion after applying the medication to improve dryness and peeling. Additionally, it ...

Understanding Your Dermatology Prescription: A Guide to Acne Treatments

Medication concerns?? Hello Dr. Jiang, Recently, I've been experiencing a lot of pus-filled pimples on my forehead. I visited a dermatologist who said it wasn't serious and that I just needed to take medication and apply topical treatments, which would help me recover...

Dr. Jiang Zheen Reply:
The average treatment duration for acne is 3 to 4 months. To evaluate the effectiveness of the medication, it should be used continuously for about 3 to 4 weeks before assessing its efficacy. If ineffective, second-line treatments may include oral retinoids or oral hormones. Topi...

Effective Treatments for Butt Acne Scars: Expert Insights and Options

Pimples on the buttocks I currently have many scars on my buttocks caused by folliculitis. I previously visited a dermatologist who prescribed me azelaic acid to apply. However, he mentioned it would take one to two years to improve. I am looking for the fastest way to treat the ...

Dr. Zheng Lizhen Reply:
Hello: Generally speaking, considering the situation of other consumers, L-ascorbic acid whitening products are primarily used on the face. You can use L-ascorbic acid cosmetic products to enhance whitening. Sincerely, Dr. Cheng Li-Chen, Dermatologist.

Managing Seborrheic Dermatitis: Tips for Scalp and Eyebrow Care

Seborrheic dermatitis? Dr. Huang... Today I had a follow-up appointment at the hospital... The doctor said I don't need to return for further visits... The doctor examined my scalp visually and found two or three areas with acne... They also prescribed medication for me to a...

Dr. Huang Ruiyun Reply:
It is unrelated to cleanliness. Seborrheic dermatitis can also occur in the eyebrows. You can wash with a gentle cleanser, but unless there are pustules present, there is no need to use topical medication like Finacea (Azelaic Acid) No. 5.

Managing Acne with PCOS: Effective Treatments Beyond Birth Control

PCOS (Polycystic Ovary Syndrome) vs. Acne Hello, I am a PCOS patient and have issues with acne. I am wondering if there are any other methods to address my acne problem besides taking birth control pills. My dermatologist has prescribed me 1. Accutane (oral) 2. Skinoren (20% azel...

Dr. Huang Ruiyun Reply:
You're too impatient! Accutane is the strongest medication for treatment, but it doesn't work immediately. It's only been three days, so how could you possibly see results? Please return to the outpatient clinic, including dermatology and obstetrics. This treatment...

Effective Strategies for Managing Blackheads: Tips and Treatments

Blackheads The doctor mentioned that for blackheads, retinoids, alpha hydroxy acids, and azelaic acid can be used to improve keratinization abnormalities. While pore strips can provide temporary relief by extracting blackheads, they are too aggressive for frequent use. What about...

Dr. Zheng Lizhen Reply:
Hello: It is effective as long as it is suitable for your skin type, and the secretion of oil is primarily related to individual constitution. This is respectfully stated by Dr. Cheng Li-Chen, Director of the Dermatology Department at Taoyuan Hospital, Ministry of Health and Welf...

Effective Strategies to Improve Acne: Expert Dermatologist Tips

How to improve acne? Doctor, could you please advise on how to treat scattered acne?

Dr. Chen Yiying Reply:
Hello: In response to your question, acne is caused by abnormal keratinization of the follicular openings. Treatments such as retinoids, alpha hydroxy acids, and azelaic acid can be used to improve this abnormal keratinization.

Effective Solutions for Underarm Darkening Due to Body Odor Products

Bromhidrosis Due to the issue of body odor, I have been using deodorants for a long time, which has caused darkening of my underarms, making them unsightly. I would like to know if there are any methods to resolve this. Thank you.

Dr. Zheng Lizhen Reply:
Hello! L-ascorbic acid can help lighten pigmentation. Other agents such as kojic acid, alpha hydroxy acids, and azelaic acid can also be beneficial, but the skin in the underarm area is more sensitive, so it's important to pay attention to the concentration and potential irr...

Effective Solutions for Enlarged Pores and Blackheads

Skin Hello Dr. Cheng, I have a question I would like to ask you! My pores are very large and I have many blackheads on my nose. I have tried using skincare products and topical treatments, but they seem ineffective. I would like to know how to improve this condition!

Dr. Zheng Lizhen Reply:
Hello! To clear acne, you can use exfoliating agents such as salicylic acid, retinoids, alpha hydroxy acids, and azelaic acid, which help to gradually soften and remove acne. It's important to maintain proper cleansing, exfoliation, and to avoid using overly oily skincare pr...

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