Acne, Dermatology FAQ

Dealing with Acne on Your Back: Causes and Solutions

Acne on the back? Hello, is there something wrong with my skin? I mostly have acne on my back, and occasionally a few on my face. Now it's even affecting my arms. What should I do? Please help me!

Dr. Hong Zhengsheng Reply:
Hello, Folliculitis, keratosis pilaris, localized tinea infections, and localized eczema are all potential causes. I apologize for not being able to provide a diagnosis based solely on your description. The best advice is to consult a dermatologist you trust. I recommend that...

Best Sunscreens After Retinoid Use: A Guide for Your Skin

A acid sunscreen Tomorrow, I should be coming to your clinic. I'm still dealing with the same issue regarding pigmentation. I've been using the cream for a month, but I don't see much difference, and it's really frustrating. Also, could you recommend some suns...

Dr. Cai Changlin Reply:
Hello: Regarding your question, it is actually a common concern faced by every acne patient. Addressing patients' doubts and supporting them in their treatment is a fundamental responsibility of physicians, so please do not feel embarrassed. Once acne has caused indentations...

Understanding Keratosis Pilaris: Causes, Treatments, and Skin Care Tips

Keratosis pilaris Hello: 1. What are the causes and treatment methods for keratosis pilaris? 2. Does keratosis pilaris later develop into a light red color similar to acne? 3. Besides using exfoliating creams, what other methods can improve keratosis pilaris? Is a scrub suitabl...

Dr. Zhang Zhibo Reply:
Hello: The cause of keratosis pilaris is currently unknown. Most literature suggests that this condition has a genetic predisposition (commonly seen in patients with ichthyosis) and is more prevalent in individuals with allergic or atopic tendencies, or those who are malnourished...

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...

Concerns About Acne Treatment: When to Consult a Dermatologist?

About the skin? I would like to ask about my worsening chin condition. I've been taking isotretinoin for over three months, one pill daily, but I don't see any improvement. When I asked my friends, they said they thought my skin looked better before I started the medica...

Dr. Cai Changlin Reply:
Hello: Regarding your question, oral isotretinoin is currently the only medication that effectively inhibits the main mechanisms involved in acne formation, including sebaceous activity, keratin metabolism, inflammation, and Propionibacterium acnes. It is especially the first-lin...

Is Tea Tree Oil Safe for Oily Skin and Acne Treatment?

Questions about tea tree essential oil? Hello, Doctor: My face is oily and prone to acne, so my family previously bought me a series of acne treatment products from a certain brand, which includes a bottle of tea tree oil. I use a facial cleansing powder, so at night when I wash ...

Dr. Jiang Yujiao Reply:
Dear Amanda: Regardless of the product you use, the principle should be to avoid harming the skin. If you experience stinging or tightness while washing your face, you should stop using it. Acne treatment medications should be adjusted based on symptoms. Wishing you safety and he...

Understanding Skin Health: A Guide to A-Retinoids and Treatment Progress

About the skin? I am currently using one capsule of retinoic acid daily and have started applying Silian ointment for about three months. When can I expect to see improvement, or is it still in the detoxification phase? It feels like the signs of improvement on my face are quite ...

Dr. Cai Changlin Reply:
Hello, regarding your question, I would like to respond as follows: The oral isotretinoin you are using is currently known in the medical field as the most effective last-line treatment for acne. However, even so, patients with cystic acne typically require a longer treatment dur...

Understanding Fibromas: Causes, Treatments, and Concerns for Skin Health

Fibroma Hello, doctor! I have a flesh-colored bump on my nose that hasn't gone away for almost a year. I previously saw a doctor who diagnosed it as a fibroma. He performed cryotherapy once, but it still hasn't resolved. He mentioned that I could consider laser treatmen...

Dr. Jiang Yujiao Reply:
Dear Yun: The flesh-colored growth on your nose is likely not a fibroma (as the nose is not a common site for them). It may be something related to fibrosis. If you have had acne in the past, it could be a post-inflammatory response that will gradually resolve. I recommend consul...

Dealing with Oily Skin: Tips for Control and Acne Scar Treatment

Oily face? Hello Doctor: I have oily skin, and after washing my face, I start to get oily in less than 10 minutes. Within 1 to 2 hours, my entire face becomes very oily. This has been a long-standing issue for me. I use oil blotting papers, about 4 sheets in the summer and 1 to 2...

Dr. Hong Zhengsheng Reply:
Hello, If your face is oily, using oil-control tissues and oil-control topical skincare products are good options. To quickly reduce acne scars, minimize sun exposure and enhance sun protection while allowing your skin tone to balance out naturally. If you have a lot of acne, t...

Understanding Facial Acne: Causes and Solutions for Cheek Breakouts

I keep getting acne on my cheeks! Hello Doctor: I used to have acne primarily on my forehead, which was due to my irregular sleep schedule and frequent late nights. However, recently I've noticed something strange. Due to increased stress and more late nights, along with an ...

Dr. Hong Zhengsheng Reply:
Hello: I apologize, but I personally have not heard of the aforementioned statement. "Find a dermatologist you trust and consult with them" is the best advice for you. I recommend that when your skin exhibits the described symptoms, you should promptly visit a public ho...

Can Alpha Hydroxy Acid Help with Acne for Allergic Skin?

Alpha hydroxy acid (AHA) I would like to ask! I have pimples all over my body! I have seen many dermatologists without any effective results! Sometimes I also get them on my neck! Why is that? One dermatologist suggested that I try glycolic acid lotion!!! But I have sensitive ski...

Dr. Zhang Zhibo Reply:
Hello, Pudding: Regarding the issue you mentioned, it seems to be a case of folliculitis. The questions of whether it itches or hurts are commonly asked! If the folliculitis is uniform and slightly itchy, you might consider seborrheic folliculitis, which can be caused by allergic...

Is It Safe to Continue A Acid Treatment with High Cholesterol?

A acid? Hello... I have a question. About a year ago, I suddenly started breaking out with acne. I have seen both traditional Chinese medicine and Western medicine. Recently, I began treatment with isotretinoin as recommended by my doctor. I weigh 50 kg, and the doctor said I nee...

Dr. Jiang Zheen Reply:
The maximum oral dosage of vitamin A acid is 1 mg per kilogram of body weight, but in general clinical use, a daily dose of 20 mg to 40 mg is quite effective. It tends to increase triglyceride levels, so it's best to check them every 1 to 2 months for safety. In my personal ...

Understanding Acne: Causes, Care, and Minimizing Pore Size

Acne..? I am currently in high school. Why did my acne start in the first and second years of middle school and still continue to appear now? Is it because I don't wash my face often? Is it related to my pillow or towel? Also, when I look closely in the mirror, I notice that...

Dr. Zhang Zhibo Reply:
Hello, netizen: During normal puberty, the activity of sebaceous glands increases, leading to an increase in sebum production. Factors such as excessive keratinization of the pores and bacterial infections contribute to the development of acne. Washing your face can reduce sebum ...

Understanding Dermatological Treatments: Insights on Chemix Tables and DermaLean

excuse me? Doctor, what benefits does this medication have? My friend has been taking it for four months. She has red skin and went to see CHEMIX TABLES. "YU" is oral, while DERMALEAN is topical! It was prescribed by her doctor. However, after taking it for nine months,...

Dr. Cai Changlin Reply:
Hello: The oral medication your friend is using is likely an anti-inflammatory, while the topical medication is aimed at treating conditions such as rashes, acne, or infections. Of course, the usage of medications can vary among different physicians. It is advisable for your frie...

Understanding Acne: Causes and Solutions for High School Students

Acne Doctor! May I ask why I keep getting acne? My skin was always good before I entered high school, but after the second semester of my freshman year, I started breaking out consistently. Although the situation has improved somewhat in the second semester of my sophomore year, ...

Dr. Hong Zhengsheng Reply:
Hello, the possible causes of acne include genetics, hormonal imbalances, dietary habits, sebaceous gland abnormalities, and Propionibacterium acnes. The most effective way to prevent acne is to maintain a normal lifestyle. If you still experience breakouts, the best advice is to...

Are Antiperspirants Harmful to Your Skin? Common Concerns Explained

Do antiperspirants cause any harm to the skin? Hello! I would like to ask the doctor two questions: The first question is about my sweating, which has an odor, and I have been using antiperspirants for about five years. I have noticed some bumps in my armpits that resemble acne...

Dr. Jiang Yujiao Reply:
Dear P: Hello! The ingredients in antiperspirants can be related to their harmful effects. If you have something resembling acne in your armpits that is neither itchy nor painful, it is advisable to consult a physician. During your menstrual period, if you experience itching from...

Understanding Skin Bumps: Causes and Treatment Options for Your Concerns

Strange growths!! Hello Dr. Jiang: Recently, I noticed a cluster of small, bump-like formations near my thigh that resemble chicken skin. They are neither painful nor itchy, but they look quite unsightly. Additionally, I have some on my arms, which appear slightly different, with...

Dr. Jiang Zheen Reply:
Your skin issue is likely keratosis pilaris, which has probably been present for some time. It is a skin condition caused by the blockage of hair follicles. Topical application of retinoids, such as vitamin A acid, can be used for treatment, regardless of the situation. Wishing y...

Understanding Skin Damage: Acne Breakouts from Overusing Face Masks

Skin injury I apologize for the inconvenience. I would like to ask about my skin condition. I usually get 2-3 pimples a week before my menstrual period, but ever since I started using face masks 2-3 times a day, sometimes even overnight, my face has broken out with a lot of pimpl...

Dr. Hong Zhengsheng Reply:
Hello, Xiao Pei: The best advice for you is to find a dermatologist you trust and consult with them. I apologize, but based on your written description, I cannot determine your specific condition. Answers found online can only speculate based on the description and experience pro...

Understanding Adult Acne: Causes, Treatments, and Solutions

Acne Hello, Dr. Jiang. Since I was discharged from the military, I've been experiencing sporadic acne breakouts. They would usually resolve in two to three days, but over time, the breakouts have increased significantly, and now my cheeks are constantly erupting with acne. S...

Dr. Jiang Zheen Reply:
Acne is related to one's constitution, and factors such as lifestyle (like staying up late), diet, and stress can exacerbate the condition. For stubborn acne, the most effective medication currently is oral isotretinoin. You can apply to use this medication at a dermatology ...

Understanding Seborrheic Dermatitis: Causes, Treatments, and Hair Loss Concerns

Seborrheic dermatitis Hello, Doctor: I have a few questions I would like you to answer. For a long time, I have experienced itchy scalp (mostly on the top of my head), had dandruff, and significant hair loss. My face is also often oily, leading to frequent acne breakouts. Previou...

Dr. Cai Changlin Reply:
Hello: Regarding your question, there are many ways to use Polylana liquid, whether used alone, mixed with regular shampoo, or applied in a sequence. You can use it alone, but remember to leave it on the scalp for 5-10 minutes before rinsing for better results. Additionally, sebo...

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