Seborrheic Dermatitis: Causes, Treatments, and Hair Loss Concerns

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

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

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.
Previously (in 2007/08), I visited a dermatologist who diagnosed me with "seborrheic dermatitis." He prescribed a bottle of "Polytar" solution, instructing me to mix 50 cc of it with 1000 cc of shampoo and wash my hair twice a week with a shampoo suitable for normal hair.
However, I have been unable to find the specific shampoo he recommended, so I haven't used it until now.
I'm worried that if I don't treat this, I might go bald, as I feel my hair density is not high.
Most of my hair is coarse, and I feel there is very little of the finer, "younger" hair.
What does the 1000:50 ratio mean? Why is it necessary? Can I use the "Polytar" solution directly to wash my hair? Does severe seborrheic dermatitis lead to baldness? If so, can it be reversed?

HJ, 10~19 year old female. Ask Date: 2007/10/21

Dr. Cai Changlin reply Dermatology

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, seborrheic dermatitis is difficult to eradicate due to its constitutional nature, but it can be managed with medication and a regular routine.
Sometimes, when seborrheic dermatitis is more severe, noticeable hair loss may occur; however, as long as the hair follicles are not damaged, the hair will regrow.
Wishing you good health.

Reply Date: 2007/10/21

More Info

Seborrheic dermatitis is a common skin condition that primarily affects the scalp, leading to symptoms such as itching, redness, and flaking. It can also contribute to hair loss, which is a concern for many individuals experiencing this condition. Understanding the causes, treatments, and implications of seborrheic dermatitis is crucial for managing symptoms and preventing further complications.

Causes of Seborrheic Dermatitis
Seborrheic dermatitis is believed to be caused by a combination of factors, including:
1. Malassezia Yeast: This fungus is naturally present on the skin but can overgrow in certain conditions, leading to inflammation and irritation.

2. Sebum Production: The condition is often associated with areas of the skin that are rich in sebaceous (oil) glands, such as the scalp, face, and upper back. Excess oil production can create an environment conducive to fungal growth.

3. Environmental Factors: Stress, hormonal changes, and seasonal variations can exacerbate symptoms. For instance, many people notice worsening symptoms during winter months when the air is dry.

4. Underlying Health Conditions: Certain medical conditions, such as Parkinson's disease or HIV/AIDS, can increase the risk of developing seborrheic dermatitis.

Treatments for Seborrheic Dermatitis
Treatment typically involves a combination of topical and sometimes oral medications, as well as lifestyle modifications. Here are some common approaches:
1. Medicated Shampoos: These are often the first line of treatment. Look for shampoos containing active ingredients such as:
- Zinc Pyrithione: Helps reduce fungal growth and inflammation.

- Selenium Sulfide: Reduces flaking and itching.

- Coal Tar: Slows down skin cell turnover and reduces inflammation.

- Salicylic Acid: Helps remove scales and reduce flaking.

- Ketoconazole: An antifungal that can help control the underlying yeast.

2. Topical Corticosteroids: These can help reduce inflammation and itching but should be used cautiously to avoid side effects with long-term use.

3. Lifestyle Modifications: Maintaining a healthy diet, managing stress, and ensuring adequate sleep can also help manage symptoms. Avoiding harsh hair products and excessive heat styling can prevent further irritation.

4. Regular Washing: Regularly washing the scalp with a medicated shampoo can help control symptoms. It’s important to follow the instructions provided by your healthcare provider regarding the frequency and method of use.

Hair Loss Concerns
Seborrheic dermatitis can lead to hair loss, primarily due to inflammation and scratching, which can damage hair follicles. However, this type of hair loss is often reversible. Once the underlying condition is managed, hair density can improve over time. It’s crucial to address the dermatitis effectively to prevent long-term damage.

Addressing Your Specific Concerns
Regarding your question about the "保麗娜液" (Polytar), it is a coal tar solution that can be effective in treating seborrheic dermatitis. The instruction to mix 50 cc of the solution with 1000 cc of shampoo is likely intended to dilute the product for safer and more effective use. Using it directly without dilution may be too harsh for your scalp.

If you are experiencing significant hair loss or thinning, it is essential to consult with a dermatologist who can provide tailored advice and treatment options. They may recommend a more comprehensive treatment plan that includes both managing the seborrheic dermatitis and addressing hair loss concerns.

In summary, seborrheic dermatitis is a manageable condition, but it requires a proactive approach to treatment. By understanding the causes and utilizing appropriate therapies, you can alleviate symptoms and minimize the risk of hair loss. Regular follow-ups with a healthcare provider will ensure that your treatment plan remains effective and adjusted to your needs.

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