What is Seborrheic Dermatitis Hair Loss?

What is Seborrheic Dermatitis Hair Loss?

Seborrheic dermatitis is a skin condition and a severe form of dandruff. It causes temporary hair loss on skin it has infected; be it on the scalp or any other hairy region of the skin. It is known to mainly affect the scalp. It is not an infectious disease, you cannot catch it, but it involves infection to the area it manifests itself. Yeast is involved during the infectious stage of Seborrheic dermatitis, but it yeast from an individual’s own skin, and we all have yeast of different types on our skin.

Dermatitis, which is sometimes referred to as eczema, forms a group of diseases which cause skin inflammation in which Seborrheic belongs to. It is triggered when sebaceous glands begin to produce a very rich form of sebum which is not normal. This sebum contains increased amounts of cholesterol and triglycerides and fewer squalence and free fatty acids.

This rich form of sebum leading to Seborrheic dermatitis hair loss may be triggered by androgen steroids. It may come during puberty stage when there is hormone fluctuation in the body. It is also observed in some newborn babies as the maternal androgens are being passed from the mother to the baby through the placenta.


The causative agents of Seborrheic dermatitis hair loss are not well understood, but it known to affect mostly the Caucasians of Celtic descent. Research has shown that it has a genetic component hence it may be passed down a lineage.

There are other conditions like Parkinson’s disease, stroke or a serious injury to the head which are associated with Seborrheic dermatitis. Individuals already infected with Seborrheic dermatitis hair loss can make it worse when they are heavily stressed and also suffer from chronic fatigue periods.


Seborrheic dermatitis comes off as a patch of white/yellowish scales and oily skin that is usually itchy, and also painful when touched. There may also be heavier flaking on the skin and redness on the affected patch. Extreme symptoms are hair loss and damage to the scalp.

The production of rich sebum in excess causes the increase in amounts of yeast Pityrosporon ovale due to Seborrheic dermatitis infection. The area affected also becomes inflamed and irritation increases on the affected skin patch. Irritation leads to scratching that aids in hair loss.

If there are hair follicles in the inflamed skin area, they will start falling out, even though Seborrheic dermatitis does not affect hair follicles directly. This is because hair follicles find inflamed skin an unhealthy environment to grow, and one may refer to this loss as collateral damage, and when the Seborrheic dermatitis is said to cause hair loss.


Seborrheic dermatitis hair loss is treated through the use of medicated anti-dandruff shampoos to control scaling and skin proliferation.

You can also be prescribed antibiotics to control the skin environment and flora, reducing inflammation indirectly.

Inflammation may be treated using lotion or corticosteroid to control your immune response.


Seborrheic dermatitis hair loss may recur in an individual who has been infected previously hence one should be persistent with treatment.

Use of kertolytics and immunosuppressant can help prevent Seborrheic dermatitis hair loss.

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