Alpha hydroxy acids, Dermatology FAQ

Effective Solutions for Stubborn Blackheads: What You Need to Know

Regarding blackheads... I really dislike them >_< Doctor, I have blackheads. What should I do? The advertisements for those nose strips are all a scam. I've used them so much that I don't want to use them anymore, but they're still there. Many people say I sh...

Dr. Jiang Zheen Reply:
The best treatment for acne is the use of vitamin A acid for 4-6 months, or intermittent use of alpha hydroxy acids for chemical peels, both of which can achieve ideal results. Wishing you peace, Jesus loves you.

Facial Hair Removal: Does Threading Make Hair Thicker and Pores Larger?

Regarding facial hair and fine hair? If facial hair and fine hair are removed through threading, will they grow back thicker and more abundant? Does threading cause enlarged pores? Is threading good or bad? Could you explain the pros and cons? Thank you! Also, how can blackheads ...

Dr. Huang Ruiyun Reply:
1. No. 2. No. 3. Facial waxing can exfoliate and remove fine hair, providing a temporary smooth and refined appearance. However, it can be painful, and it is difficult to remove facial hair completely. It is not suitable for sensitive or delicate skin, and the operator's tec...

Understanding Glycolic Acid: A Guide for Acne Treatment and Skin Care

Alpha hydroxy acid (AHA) I have been experiencing persistent acne, and after trying antibiotics and using tretinoin for three months without any improvement, I decided to visit a dermatologist at a hospital yesterday. I expressed my desire to undergo a chemical peel with alpha hy...

Dr. Zheng Lizhen Reply:
Hello: A thin layer of alpha hydroxy acid (AHA) lotion is sufficient. Most beginners may feel a slight sting or itch; if there is no sting or itch, it indicates that the skin is adapting well. If there are no issues after using it for 1-2 weeks, you can consider proceeding with a...

Understanding the Effects of Combination AHA Peels vs. Traditional Peels

What can you tell me about glycolic acid peels? Hello, Doctor: I would like to ask you about chemical peels with alpha hydroxy acids (AHAs). I just had a combination AHA peel yesterday, and my face is very red and uncomfortable. It feels like my skin is peeling off. How should I ...

Dr. Zheng Lizhen Reply:
Hello: The symptoms you are experiencing are related to the medication used, the duration of use, and your skin condition. If you have any discomfort, you should immediately return to consult with the operating physician. Sincerely, Dr. Cheng Li-Chen, Dermatology.

Understanding Acne, Blackheads, and Skin Sensitivity: Causes and Solutions

Acne ~ Blackheads Sometimes I get acne that leaves dark spots, resembling freckles, without squeezing them. A friend mentioned that it might be because my skin is thin. Is that true? How can I lighten these spots? Sometimes I have bumps that look like acne but feel painful to the...

Dr. Zheng Lizhen Reply:
Hello: 1. After inflammation, there is a possibility of pigment deposition, which is not related to skin thickness. You can apply some L-ascorbic acid (Vitamin C) and sunscreen to help lighten the pigmentation. 2. Please visit a dermatology specialty clinic for an accurate diagno...

Improving Acne with Glycolic Acid Peels: What You Need to Know

Alpha Hydroxy Acid (AHA) Peel Doctor, I have been dealing with acne on my face for almost 4 years. I have heard that glycolic acid can help improve it. Since I will be working in Taipei, I am looking for a dermatologist and I am afraid of being scammed. I can't seem to find ...

Dr. Zheng Lizhen Reply:
Hello: Alpha hydroxy acids can improve acne, but they still need to be combined with medication for treatment, and it cannot be completely resolved in a short period of time. Currently, our clinic charges 1800 NTD for a single session and 9000 NTD for six sessions. Sincerely, Dr....

Managing Acne with Isotretinoin: Common Concerns and Tips

Isotretinoin Hello Dr. Jiang, I am currently a freshman. Since my senior year in high school, I have been experiencing persistent acne on my cheeks. I once saw a doctor who prescribed me tetracycline, which was very effective at first, but after the acne cleared up, I stopped tak...

Dr. Jiang Zheen Reply:
Oral isotretinoin can sometimes cause an initial worsening of acne during the first month of treatment for some individuals. I believe you can stop using your topical retinoids. Dr. Lin Bing-Huang is my senior, and it would be better for you to write down your questions and show ...

Achieving Radiant Skin: Tips for Whitening and Reducing Dark Circles

Skin whitening and dark circle reduction? I want to lighten my skin and eliminate dark circles.

Dr. Huang Ruiyun Reply:
To achieve skin whitening, the primary focus should be on sun protection; secondly, the use of alpha hydroxy acids (AHAs) can be considered. Dark circles are difficult to eliminate, so it's important to avoid staying up late. If there is a history of nasal allergies, it is e...

Skin Concerns: Acne, Sun Damage, and Mole Removal Tips

Skin tanning and the development of moles? I have many skin issues to consult with a doctor. Thank you for your help. First: I have developed a lot of acne, and I don't want to use treatments. I've heard that retinoids are not good for the skin, is that true? How shou...

Dr. Jiang Zheen Reply:
Severe acne still requires pharmacological treatment; the management of acne involves more than just retinoids. There are various medications available, and retinoids are considered the first-line treatment for acne worldwide. It is essential to understand that acne care prioriti...

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 Acne Treatments: Expert Advice and Options in Changhua

Acne 1. Could you please recommend a well-known acne clinic or dermatologist in Changhua? (Authority) 2. My acne issue seems to fall into the moderate to severe category, with comedones, many inflamed cystic lesions, and some small red papules. 3. How long does the treatment ...

Dr. Jiang Zheen Reply:
You don't necessarily need to go to a renowned specialist; any board-certified dermatologist can effectively treat your acne. In fact, many patients find that their doctors have limited interaction time. Generally, acne treatment requires 3-4 months. Oral isotretinoin is the...

Choosing the Right Treatment for Freckles: Laser vs. Chemical Peels

Which one is better? Hello Dr. Huang, I have had freckles since childhood, and I still feel like they are continuing to develop, which is quite distressing. My face often feels dirty because of them. I have always wanted to remove these spots, but I am unsure whether laser treat...

Dr. Huang Ruiyun Reply:
Laser treatment for freckles is highly effective; what you need is courage, time, and financial resources.

Effective Solutions for Persistent Blackheads on the Nose

Nasal comedones There are many visible blackheads on the tip of my nose, and every time I wash my face and apply makeup, the blackheads reappear shortly after, which is really unsightly. I saw online that some hospitals sell products containing alpha hydroxy acids (AHAs). Could y...

Dr. Huang Ruiyun Reply:
Hsinchu City Hospital Beauty Center: Neostrata Gel 100 ml for NT$1600, Baoyao Mei 30 ml for NT$360, and 120 ml for NT$1800.

Effective Skincare Tips for Clear, Radiant, and Acne-Free Skin

I want to take care of my skin? To maintain healthy skin that appears rosy and fair without acne, consider the following skincare tips: 1. **Cleansing**: Use a gentle cleanser suitable for your skin type to remove dirt and impurities without stripping natural oils. 2. **Moistur...

Dr. Huang Ruiyun Reply:
During the day, apply sunscreen, and at night, use alpha hydroxy acids (AHAs). However, genetic predisposition, gender, and individual constitution are significant factors that determine skin type, so results may vary from person to person. It is not advisable to set such perfect...

Understanding Glycolic Acid Peels: Procedure, Care, and Costs

~~~Skin Rejuvenation~~~ Hello Dr. Cheng: I would like to undergo a chemical peel with alpha hydroxy acids, but I'm not sure what the procedure entails. How long does the treatment take? Additionally, what kind of aftercare is required following the procedure? Lastly, how muc...

Dr. Zheng Lizhen Reply:
Hello: The process of chemical exfoliation with alpha hydroxy acids can be summarized as follows: makeup removal and cleansing → application of an alpha hydroxy acid formulation (selecting different concentrations based on individual needs) → leave on for a few minutes until the ...

Understanding White Bumps on Legs: Causes, Treatments, and Family Links

The skin on the legs has developed lesions resembling acne? Hello, doctor. Recently, I have developed some white, pimple-like bumps on the front of my calves. After informing my mother, I discovered that this condition also appears in our family and seems to be hereditary. Is it ...

Dr. Huang Ruiyun Reply:
You may have keratosis pilaris; you can try purchasing skincare products containing alpha hydroxy acids at a drugstore.

Effective Treatments for Acne and Enlarged Pores: A Guide

Acne and enlarged pores? Why does the T-zone of my face get oily so quickly, and why do I keep getting acne that never seems to go away? Additionally, my forehead and nose have particularly enlarged pores, making my skin look unhealthy. What should I do? Is glycolic acid peeling ...

Dr. Zheng Lizhen Reply:
Hello: Oily skin often experiences issues in the T-zone. Alpha hydroxy acids can help improve these problems. You can check online or call dermatology clinics in Keelung to see if they offer this treatment. Sincerely, Dr. Cheng Li-Chen, Dermatologist.

Effective Acne Treatment Options Beyond AHA and Retinoids

Acne My acne is almost covering my entire face. I have used retinoids and alpha hydroxy acids to soften the keratin, but after using them for a while, there has been no significant improvement. Besides using retinoids and alpha hydroxy acids, what other methods can I use to elimi...

Dr. Huang Ruiyun Reply:
While it is true that some people may have their faces covered in acne, it is not common. I hope you are not mistaking other conditions for acne. It is important to consult a dermatologist to determine the appropriate treatment method.

Dealing with Acne: Insights on Glycolic Acid Peels and Skin Care

Suddenly experiencing a lot of acne? Consider glycolic acid peels? Dear Dr. Cheng, I have recently experienced a sudden outbreak of acne over the past month, with several pimples appearing that resemble comedones on my nose, forehead, chin, and cheeks. My daily routine has been ...

Dr. Zheng Lizhen Reply:
Hello: The treatment for acne requires taking medication or applying topical treatments for a period of time, which necessitates cooperation between the patient and the physician. If financial conditions allow, chemical peels using alpha hydroxy acids can be considered. Current f...

Understanding Arm Bumps: Causes and Solutions for Skin Concerns

"Acne on the arm" Hello, I have developed many bumps on my arms that resemble acne; some are just raised red spots (or simply "just" slightly red patches on the skin). Some of them can be squeezed to release a bit of white substance, and there are also some th...

Dr. Jiang Zheen Reply:
Your skin condition is known as keratosis pilaris. It is a hereditary skin issue that does not affect your health but can be cosmetically bothersome. Although it cannot be completely cured, topical treatments with retinoids or alpha hydroxy acids can achieve partial improvement.

Previous｜Page ｜Next