What causes hair dandruff?

Have you ever heard of seborrheic dermatitis? You are perhaps most familiar with the popular name used for this condition: dandruff. It is an itching and flaking of the skin, which only occurs on the scalp. But what causes hair dandruff? O Canaltech explain it to you in detail.

Many factors can contribute to the development of dandruff, so identifying the exact cause of your itchy, flaky scalp can be difficult. The most likely causes involve secretions from your sebaceous glands or fungal colonization on the surface of your skin.

Not washing your hair enough can cause skin cells to build up and create flakes and itchiness. But here’s a warning: washing and drying your scalp too much can also have negative consequences. Dandruff is related to a yeast called malasseziawhich aggravates the scalp and causes overgrowth of skin cells.

Different personal care products can cause contact dermatitis, which makes your scalp red and itchy. Other factors include excessive exposure to sunlight or exposure to dust or dirt. It is worth noting that some people may be more predisposed to dandruff than others for unknown reasons. However, men are known to develop dandruff more often than women.

Hair dandruff can have a variety of causes (Image: Tim Mossholder/Unsplash)

Dandruff symptoms and treatments

Symptoms of hair dandruff include oily skin and scalp, white scales that flake off or even yellowish scales that are oily and stinging; itching, which can get worse if the area becomes infected by “picking” the skin; slight redness in the area and possible hair loss.

Now that you know what causes dandruff in your hair, it’s worth understanding the best way to get rid of the condition: using anti-dandruff shampoo and scalp treatments, as well as some homemade solutions that can help, such as baking soda, apple cider vinegar or coconut oil. In any case, be sure to consult a dermatologist.

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