Scars, Dermatology FAQ

Effective Treatments for Acne Scars and Oily Skin Management

Acne scars Hello Doctor, I have combination oily skin, and my forehead and nose often become oily. I frequently get acne on both cheeks, and even when I don't pick at them, there are still many red and dark brown acne scars after they heal. I would like to ask the following ...

Dr. Jiang Zheen Reply:
It is recommended to establish the diagnosis and treatment in an outpatient setting.

Laser Treatment for Freckles and Scars: Safety and Recovery Tips

Laser treatment for freckles and scar removal issues? Hello, I would like to undergo laser treatment for pigmentation, but I have bruising on my face. Is it safe to proceed with the treatment while the bruising is still present and fluctuating in swelling? Could this cause second...

Dr. Huang Ruiyun Reply:
Hello: 1. It is not advisable to undergo laser treatment if there is any injury on the face. 2. After laser treatment, scabbing occurs, which typically falls off in about a week. (Post-inflammatory hyperpigmentation generally refers to uneven pigmentation one month after the lase...

Understanding Persistent Acne: Why Does It Keep Coming Back?

Acne Hello, Doctor: I consider myself to be someone with moderate acne. During my puberty from ages 14 to 20, it was quite severe. Eating oily foods or peanuts tends to trigger breakouts. In recent years, I've been paying attention to my diet and facial hygiene, and as I mov...

Dr. Du Zhiqiang Reply:
Dear Jeri: From the description in your letter, the acne on your face has driven you to frustration. It is rare for someone to research their condition so thoroughly, which can lead to mental stress. Based on your description, you may be suffering from cystic acne and possibly an...

Understanding Pigmented Scars from Cryotherapy: Causes and Solutions

Pigmented scars left by cryotherapy? Hello Dr. Huang: I have many moles on my body, which I find unattractive, so I have always wanted to have them removed. Previously, I did not do thorough research and was misled by a friend to go to a hospital where a doctor used liquid nitrog...

Dr. Huang Ruiyun Reply:
Hello! Without seeing the individual, it is difficult to determine whether it is a true scar or post-inflammatory hyperpigmentation. Generally speaking, cryotherapy with liquid nitrogen is unlikely to cause true scars; instead, it often results in hyperpigmentation, which will fa...

Effective Scar Removal Methods for Oily and Dry Combination Skin

Methods for Eliminating Acne Scars Hello Dr. Huang: I have numerous acne scars of varying sizes on my face, and they are quite deep. I have been struggling with acne since elementary school, and it has only started to improve in the past few years during college, leaving behind m...

Dr. Huang Ruiyun Reply:
Hello: Since you are young, you might consider skin resurfacing. There is a more appealing term now called "magic facial laser," which refers to a specific type of resurfacing device. However, it is essential to have a clinical evaluation by a physician first. You shoul...

Can Vitamin C and Collagen Help Fade Acne Scars and Improve Skin Texture?

Regarding skin polishing? I would like to ask about my previous acne issues. Most of them have improved, and I only occasionally get one or two new ones. However, I still have some red acne scars. If I increase my vitamin C intake, will it help fade these scars? There is a produc...

Dr. Huang Ruiyun Reply:
Hello: The red marks left by acne will naturally fade over time without the need for complicated treatments; "time" will heal them. If you're really impatient to wait, dye lasers or intense pulsed light (IPL) can shorten the waiting period. As for other options... ...

Managing Inflammation and Scarring After Chickenpox on the Face

Inflammation of chickenpox on the face? At the end of July, I had a severe case of chickenpox for the first time. Recently, the scars on my body have gradually fallen off, but the scabs on my face were accidentally removed when I cleaned my face with cotton balls soaked in saline...

Dr. Huang Ruiyun Reply:
Hello: Please go to a dermatology outpatient clinic (not the emergency room) as soon as possible for a more accurate assessment. You can choose either a hospital or a clinic. Wishing you the best.

Understanding Alpha Hydroxy Acids: Benefits and Risks for Skin Care

Alpha hydroxy acid (AHA) 1. Is glycolic acid peeling effective for spots (approximately those that appear in elementary school and are only distributed on the left side of the face) and acne scars? 2. Can closed comedones be cleared with glycolic acid peeling? 3. Does glycoli...

Dr. Huang Ruiyun Reply:
Hello: 1. Ineffective. 2. May provide some degree of benefit; individual responses vary, and it takes multiple sessions to determine effectiveness. 3. Pay attention to hydration and sun protection to avoid such issues. 4. Focus on hydration and sun protection. 5. Be cautious of b...

Can Vitamin E Capsules Help Fade Scars Without Clogging Pores?

Regarding vitamin E capsules for scar fading? Hello, doctor: I would like to ask if using vitamin E capsules to fade scars could potentially clog pores with the oil, leading to closed comedones? Thank you for clarifying this for me.

Dr. Jiang Yujiao Reply:
Xiao Ping: The oil from vitamin E can indeed clog pores. Medically, vitamin E capsules cannot lighten scars, so I suggest you stop using them. Some so-called scars are merely post-inflammatory hyperpigmentation or pigmentation from injuries, which will gradually fade over the mon...

Understanding Birthmarks in Babies: Treatment Options and Concerns

Birthmarks in babies Hello! I would like to inquire about my son's large black birthmark on his abdomen, which is approximately 9x9 cm in size. The surface is not entirely smooth; there are some raised areas, and the shape is irregular and asymmetrical. Is this type of birth...

Dr. Jiang Yujiao Reply:
Hello: My son has a large black birthmark on his abdomen, approximately 9x9 centimeters in size. The color and surface elevation need to be assessed. If surgery is required for a birthmark of this size, skin grafting may be necessary. If it is a melanocytic nevus, early surgical ...

Choosing Between Clear Skin Laser and Dye Laser for Acne Scars

What are the differences between the Clear and Brilliant laser and the dye laser? Dear Doctor: 1. I have red acne scars on both cheeks (not a few), and there are red pigment deposits in lines on both sides of my nose, along with dark circles (melanin deposits). Should I conside...

Dr. Huang Ruiyun Reply:
Hello: The red color is treated with dye laser, while the black color is treated with Q-switched laser. (Our hospital's contract for laser treatment in the dermatology department is scheduled to end on August 6 and will not be renewed). The phone number for our beauty center...

Can Injections Flatten Raised Scars on Eyelids and Joints?

Raised scar on the eyelid? Can I get an injection to flatten a raised scar on my eyelid? Is it unsuitable to inject near the eyes? Additionally, can raised scars from injuries on joints or frequently moving areas be flattened? Thank you.

Dr. Jiang Yujiao Reply:
LaLa: Hello! The type of raised scar you are referring to is likely a keloid or hypertrophic scar. For scars on the eyelids or joints, local steroid injections can be administered, typically requiring several sessions, with each session ideally spaced at least two weeks apart. Re...

Understanding and Treating Urticaria Scars: Causes and Solutions

Urticaria scars I would like to ask about my skin allergy, which is similar to urticaria. During high school, I had flare-ups on my legs, but I tried my best not to scratch them. After a season, my legs gradually improved. However, after healing, I noticed the appearance of brown...

Dr. Zhang Zhibo Reply:
Hello: Urticaria can cause skin inflammation, which may lead to post-inflammatory hyperpigmentation. This usually resolves completely within six months. If the results are not satisfactory, medication can be used for treatment.

Should You Squeeze Blackheads? Expert Advice for Teen Skin Care

Should blackheads be squeezed out? My niece is currently in the first year of junior high school, 13 years old, and is going through puberty. As a result, she has a lot of acne on her face and back, and since she has oily skin and has developed earlier, she has noticeable blackhe...

Dr. Zhang Zhibo Reply:
Hello: The recommended method for treating blackheads is to use medications for gentle exfoliation, which can be effective. Medications that can be used include retinoids (such as tretinoin), salicylic acid, and alpha hydroxy acids (AHAs) – it's best to have a dermatologist ...

Effective Treatments for Acne Scars: Products and Dermatologist Hours

Acne scars on the face? Hello, doctor. I would like to ask if there are any methods to improve acne scars on my face. Are there any products available on the market that can help with this? Additionally, I apologize for asking, but could you please let me know your clinic hours? ...

Dr. Huang Ruiyun Reply:
Hello: The marks left by acne can be red, black, or pitted, and the treatment methods vary accordingly. Recommendations will be provided after a consultation. Our morning clinic hours are from 9 AM to 12 PM, and the afternoon hours are from 2 PM to 5:30 PM. I do not have general ...

How to Treat Back Acne Scars: Myths and Effective Solutions

Back acne scars Hello, Dr. Jiang. I suddenly developed some acne on my back, which has mostly cleared up now, but I am left with dark acne scars that feel bumpy to the touch. A nearby dermatologist said this is due to hyperpigmentation and that it cannot be treated. The doctor al...

Dr. Jiang Yujiao Reply:
Hello: I have dark acne scars on my back. The nearby dermatology clinic said that this is hyperpigmentation, and congratulations, it's not a scar or keloid. Hyperpigmentation will gradually fade over time, and you can also use depigmenting skincare products. Dermatology clin...

Understanding Skin Darkening After Using Hechlin Cream for Acne Scars

After using Heparin..? I previously had acne scars on my chin, so I visited a doctor at Asia University Hospital. The doctor prescribed me Heparinoid ointment, but for some reason, the normal skin around the scars turned dark after applying the medication. I apply the ointment at...

Dr. Jiang Yujiao Reply:
Hello: The surrounding normal skin around the acne scars has darkened after applying the ointment, which is likely due to irritation from the medication causing post-inflammatory hyperpigmentation. There's no need to worry too much; changing your approach can help prevent th...

Effective Scar Treatment After Circumcision: Tips and Recommendations

I'm sorry, but I need content to translate? Hello, Dr. Zhang. I apologize for the interruption, but I would like to ask about my circumcision that was performed two years ago. The scar from the procedure is still very noticeable. What can I do to reduce the appearance of thi...

Dr. Zhang Zhibo Reply:
Hello: Scars can be either keloids or hypertrophic scars. The best method to manage scars is through destruction and reconstruction. Topical treatments for scars are relatively rare cases. For hyperpigmented scars, various depigmenting agents can be used for treatment. Scars typi...

Effective Treatments for Acne Scars on Your Hands: A Dermatologist's Guide

Acne scars on the hands? I would like to ask the doctor! I used to frequently get pimples on my arms and would often squeeze them. Now, I have small pockmarks all over my hands as a result! They are unsightly, and I would like to know if there are any methods to remove the scars ...

Dr. Jiang Yujiao Reply:
Hello: There are three possible conditions for acne scars on the arm: 1. Depressed scars - can be treated with laser resurfacing. 2. Raised scars, known as keloids - can be treated with topical or intralesional corticosteroids or cryotherapy. 3. It may not be a medical scar but r...

Managing Eczema: Tips to Prevent Scarring and Promote Healing

Eczema I have multiple areas of eczema on my calves and thighs. I have seen a doctor and applied medication, but it has left scars. The old ones haven't healed, and new ones keep appearing. I am currently applying medication, but there is often discharge. This has been troub...

Dr. Jiang Yujiao Reply:
Anny: Hello! I have multiple eczema patches on my calves and thighs, and there is often some discharge. In addition to applying medication, I need to pay attention to a few things: 1. Do not scratch. 2. Do not use hot water. 3. Do not apply disinfectants and temporarily refrain f...

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