Seborrheic Dermatitis/Eczema on Scalp

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Seborrheic dermatitis is a common form of eczema that usually affects the scalp, though it can affect other parts of the body as well.

What is seborrheic dermatitis?

Considered a chronic form of eczema, it appears on the body where there are a lot of oil-producing (sebaceous) glands like the upper back, nose and scalp. It can cause a variety of symptoms from dandruff to a rash on the affected area.

For many infants and some adults, the problem goes away on its own. If symptoms don’t go away, there are many effective treatments to manage symptoms and stop flare-ups in the future.

Who gets it and why?

Seborrheic dermatitis (also sometimes referred to as seborrhea or seborrhoeic dermatitis), can affect people of any age, though it’s most common in infants and adults between the ages of 30 and 60. Among adults and teens, this skin disease is more common in males.

In infants, this common skin condition usually clears on its own and doesn’t come back. In adults, however, the prevalence usually follows a pattern of flaring and clearing that can last for years.

Some research suggests 3-10 out of every 100 people will experience seborrheic dermatitis in their lifetime. Many people who get it as a young adult or after 50 suffer from chronic seborrheic dermatitis and they experience flare-ups throughout their life.

What causes it?

It is usually caused by a combination of genetic and environmental factors.

The trigger is usually an inflammatory reaction to excess Malassezia yeast, also sometimes called pityrosporum. This organism that normally lives on the skin’s surface, is the likely cause of seborrheic dermatitis. The Malessezia overgrows and the immune system seems to overreact to it, leading to a fungal infection that results in skin changes.

Certain medical conditions can increase people’s risk of developing seborrheic dermatitis, including psoriasis, HIV, acne, rosacea, Parkinson’s disease, epilepsy, alcoholism, depression, eating disorders and recovery from a stroke or heart attack.

Common triggers for seborrheic dermatitis include:

  • stress
  • recovery from a stressful life event, like losing a loved one or a heart attack
  • hormonal changes or illness
  • harsh detergents, solvents, chemicals and soaps
  • cold, dry weather or a change in the season

Like all forms of eczema, seborrheic dermatitis is not contagious. You cannot “catch” it from another person. Instead, it’s the result of environmental and genetic factors.

Seborrheic dermatitis and cradle cap in infants

Infants with seborrheic dermatitis most often have a form called cradle cap, which appears on their scalps as scaly, greasy patches. Infants can also develop seborrheic dermatitis on their bottoms, where it can be mistaken for diaper rash, a form of contact dermatitis.

Seborrheic dermatitis in adults and adolescents

When seborrheic dermatitis appears near the scalp in adults and adolescents, it’s often referred to as facial seborrheic dermatitis. Common symptoms of facial seborrheic dermatitis include inflamed skin and itching.

With this form, symptoms might also appear on the eyelids, on the sides of the nose, in and around the eyebrows and near the ears. Facial seborrheic dermatitis can also cause stubborn dandruff. But seborrheic dermatitis doesn’t just form on the face. It can appear in oily skin all over the body. In addition to the face, redness, swelling and greasy scaling can develop on the mid-chest, upper back and in the armpits, under the breasts and in the groin area.

Seborrheic dermatitis in adults and adolescents

Common symptoms

No matter where seborrheic dermatitis is on the body, there are common symptoms experienced by many with this condition. These symptoms include:

  • Flaking skin or dandruff;
  • Patchy of flaky white or yellow scales on top of greasy skin;
  • A irritable rash which looks dark in brown and Black skin and lighter in white skin;
  • Ring-shaped rash for those with petaloid seborrheic dermatitis;
  • Itchiness.

The affected skin sometimes crusts over and lesions containing sebum can form. Erythema, or redness of the skin caused by inflammation, may also be experienced. If the flare-ups occur in creases in the hairline, those who itch the affected areas too much may experience hair loss as well.

African Americans and those with skin of color might experience petaloid seborrheic dermatitis, a more severe form where lesions form around the hairline and skin discoloration happens. Usually, the discolored skin manifests in a ring-shaped rash. When looking more generally at the relationship between eczema and skin of color, itching due to eczema has been shown to have a greater impact in Black patients, who are also more likely to have severe disease.

Symptoms of severe cases

More severe cases can lead to the immunodeficiency of affected skin and an increased risk for infections. Seborrheic dermatitis is not precancerous. If you have this form of eczema, it does not increase your chance of getting skin cancer.

Another common misconception is that seborrheic dermatitis leads to hair loss. This is completely false. Hair loss is not a symptom of seborrheic dermatitis and if you are experiencing hair loss, you probably have a different underlying condition.

How is seborrheic dermatitis treated?

Depending on the severity of the case, you might be able to treat this form of eczema with a shampoo swap—or seborrheic dermatitis might even go away without treatment. Here at Bragan Skincare we have developed two products that are really effective against the condition.

Snail mucin scalp soothe and shampoo bundle
Bragan Skincare’s snail mucin scalp soothe and shampoo bundle against a green background

 

Use the right shampoo and skincare products

Following a skincare routine can help keep symptoms under control. Wash affected areas daily with a gentle, zinc-containing cleanser (2% zinc pyrithione)(Bragan Shampoo) and follow up with a lotion or moisturiser(scalp soothe).

Lifestyle changes

Healthy lifestyle habits, like managing stress and getting plenty of sleep, can also improve skin. Stress relief is often the lifestyle change which will have the biggest impact on seborrheic dermatitis. Some particularly effective stress relief techniques include:

  • Perform light exercise, such as yoga or a gentle walk;
  • Journal about stress and negative feelings;
  • Develop a mediation or breathwork practice;
  • Spend time in nature, even if it’s just five minutes.

There are many other ways you can reduce stress. What matters most is finding an enjoyable technique that allows you to slow down and devote time to self care.

What do the ecz-perts have to say?

“Seborrheic dermatitis isn’t contagious and is not an allergy, although some allergies can mimic it,” said Dr. Peter Lio, clinical assistant professor of dermatology and pediatrics at Northwestern University’s Feinberg School of Medicine. A correct diagnosis, he added, requires careful evaluation by a dermatologist.

Seborrheic dermatitis can also overlap with atopic dermatitis, especially in infants. “We see this overlap in young adults, as well, usually in those with more severe atopic dermatitis,” Lio said. They can develop a condition that some call head and neck dermatitis that seems to be very closely related to seborrheic dermatitis and is treated similarly.”

In conclusion

If you are experiencing seborrheic dermatitis, there’s no need to fret. While the symptoms can be irritating, there are many effective treatment options out there. Bragan Skincare have developed products using snail mucin that will help control the condition.

Our Scalp Soothe product will act fast and give relief for the constant itch, and when you have the condition under control our shampoo will keep it under control.

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