Sleeping woman with healthy scalp

Seborrheic Dermatitis – what you need to know

Seborrheic (pronounced seb-o-ree-ik) Dermatitis is a common, chronic and embarrassing, skin condition typically causing yellowish scales on the scalp or face, though it can also affect other areas. Correct and frequent use of specially formulated hair and skin products can control this lifelong condition.

What is Seborrheic Dermatitis?

Seborrheic Dermatitis, also spelt as Seborrhoeic Dermatitis or referred to as Seborrheic Eczema, is the medical condition which, in many cases, is the underlying cause of dandruff. It is not contagious or caused by poor hygiene.

It most commonly affects adults between the ages of 30-60 and infants under 3 months, where it appears as cradle cap.

Up to 50% of the adult population suffer from dandruff with flaky, yellowish scales on the scalp and a significant number also from an inflammatory scalp condition. 

In infants Seborrheic Dermatitis is known as cradle cap or crib cap. It's a temporary skin condition and should disappear as the child gets older, usually by the age of 3.

Seborrheic Dermatitis on the scalp
Seborrheic Dermatitis often results in flaky, yellowish scales on the scalp.
Seborrheic Dermatitis causes itching
Itching is one of the common symptoms of Seborrheic Dermatitis.

Sebborrheic Dermatitis symptoms

On the body, Seborrheic Dermatitis can appear where there are a lot of oil-producing (sebaceous) glands like the upper back, nose, scalp or oily skin patches inside the ear.

Other commonly affected areas include the eyebrows and eyelids, the nose nasolabial folds, and middle of the chest. It is often accompanied by reddened skin.

For infants, symptoms are thick, crusty, yellowish flakes of skin from over the infant's scalp, and sometimes the eyes ears and nose.

Commonly occurring symptoms of Seborrheic Dermatitis consist of:

  • Skin scales – white and flaking, or yellowish, oily, and adherent – known as dandruff
  • Lesions in the skin
  • Plaques that cover a large area of the skin
  • Skin that is oily or greasy
  • Itchy skin – this may become severe if the skin becomes infected, leading to further itching and potentially bleeding if scratched
  • Mild redness
  • Hair may fall out

 

Seborrheic Dermatitis or cradle cap on scalp
Symptoms can appear as plaque on large areas, such as face.

Seborrheic Dermatitis causes

Seborrheic Dermatitis occurs when the scalp’s cell renewal process shortens, leading to the rapid shedding of horny skin cells, which stick together to form visible flakes. This process has been linked to many causes. It has been noted to be hereditary, with children of affected people more likely to be affected.

However, it is also known to be linked to irritation from a yeast called malassezia, which thrives in areas of skin which are very oily, and causes microinflammations which lead to skin and scalp itchiness.

Other factors such as physical or emotional stress, hormonal changes, poor diet or alcohol intake, fatigue, weather extremes, infrequent use of shampoo, poor skin cleansing, and obesity may increase the risk. Neurologic conditions, including Parkinson's disease, head injury, and stroke may be associated with Seborrheic Dermatitis. Human immunodeficiency virus (HIV) has also been linked to increased cases of Seborrheic Dermatitis.

Seborrheic dermatitis signs
Signs of Seborrheic Dermatitis 1. Skin hyperproliferation is triggered by malassezia fungi 2. Microinflammations of the scalp occur 3. Visible flakes form

Seborrheic Dermatitis treatment

The best way to reduce the severity of Seborrheic Dermatitis is by paying careful attention to scalp and skin care. Specially formulated shampoos help to remove the flakes of skin and also prevent the reformation of flaky skin.

Shampoos designed specifically for Seborrheic Dermatitis usually include any of the following actives; Climbazole, Piroctone Olamine, Polidocanol, anti-inflammatory agents such as salicylic acid and resorcin, minerals such as zinc or selenium sulphide, or antifungals like ketoconazole.


The following Eucerin products are specifically designed for dry or greasy dandruff and are dermatologically proven to be effective for Seborrheic Dermatitis treatment:

In severe cases, a dermatologist or doctor may prescribe an antifungal, such as ketoconazole, metronidazole, or azelaic acid, which affects the malassezia yeast, or lotions containing anti-inflammatory corticosteroids.

More recently, topical immunomodulators such as tacrolimus or pimecrolimus have been used.

Eucerin treatment for seborrheic sermatitis
Eucerin's DermoCapillaire range is especially designed for Seborrheic Dermatitis.
Woman treating seborrheic dermatitis
Use DermoCapillaire Anti-Dandruff Intensive Scalp Treatment, proven to combat dry and greasy scalp and seborrheic eczema.

Seborrheic Dermatitis is a chronic condition that can be managed well with the right treatment. It often has flare-ups between extended periods of inactivity. A more extreme form of this condition overlaps with Psoriasis of the scalp and is called Sebopsoriasis.

Always consult a dermatologist if Seborrheic Dermatitis symptoms do not respond to frequent use of medicated shampoos. Also call if patches of Seborrheic Dermatitis become infected, fluid or pus appears, crusts form, or it becomes very red or painful.

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