Dandruff, also known as Pityriasis simplex capillitii, is a common scalp disorder characterized by the shedding of dead skin cells from the scalp. It may cause itching and can be embarrassing. It is not related to poor personal hygiene, but may be linked to a number of factors including seborrheic dermatitis and dry skin.

Pityriasis simplex capillitii FAQ


What causes dandruff?

Dandruff can be caused by a variety of factors including dry skin, sensitivity to hair care products, seborrheic dermatitis, and certain skin conditions like psoriasis.

Is dandruff contagious?

No, dandruff is not contagious. It is a common scalp condition and is not caused by poor hygiene.

Are there natural remedies for dandruff?

Yes, there are several natural remedies for dandruff including tea tree oil, coconut oil, aloe vera, and apple cider vinegar. These can help to moisturize the scalp and reduce flakiness.

Can stress cause dandruff?

Stress can exacerbate certain skin conditions such as seborrheic dermatitis which can result in dandruff.

How often should I wash my hair to prevent dandruff?

Regularly washing your hair with a gentle shampoo can help prevent the buildup of oil and dead skin cells that can contribute to dandruff. However, excessive washing can also strip the scalp of its natural oils and worsen the condition.

Does dandruff lead to hair loss?

Dandruff itself is not a direct cause of hair loss. However, persistent scratching of the scalp due to dandruff-induced itching can lead to temporary hair loss.

Can diet affect dandruff?

Certain dietary factors can contribute to dandruff, such as excessive consumption of sugary or fatty foods. Maintaining a balanced diet and staying hydrated may help reduce the severity of dandruff.

How long does it take to get rid of dandruff?

The time it takes to get rid of dandruff can vary depending on the underlying cause and the effectiveness of the chosen treatment. Consistent use of appropriate dandruff treatments can lead to improvement within a few weeks.

Is dandruff more common in certain age groups?

While dandruff can affect people of all ages, it is most commonly seen in individuals in their early 20s through their 50s.

Can dandruff be a sign of a more serious condition?

In some cases, persistent or severe dandruff may be a sign of an underlying medical condition such as seborrheic dermatitis, eczema, or psoriasis, and it is important to seek medical advice for proper diagnosis and management.

Can dandruff be seasonal?

Certain individuals may experience an increase in dandruff during the winter months when the air is drier. The use of a humidifier and appropriate moisturizing hair care products can help mitigate this seasonal effect.

Are there specific triggers that worsen dandruff?

Common triggers for dandruff exacerbation include stress, harsh hair care products, poor scalp hygiene, and cold weather.

Can dandruff affect facial skin?

Dandruff can sometimes spread to the eyebrows, ears, and sides of the nose. This condition is known as seborrheic dermatitis, and it may require specific treatments to address the affected facial areas.

How can I differentiate between dandruff and dry scalp?

Dandruff presents as oily, large, white-yellow flakes that can be itchy, whereas a dry scalp produces smaller, dry white flakes and is often accompanied by tightness and sensitivity.

What are some lifestyle changes that can help manage dandruff?

Regular scalp massages with essential oils, managing stress levels, and using mild, anti-dandruff hair care products can all contribute to better management of dandruff.

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Information provided by Dr. Nauman Rasool. Reviewed by Dr. Maria Corujo