Scalp Psoriasis: Symptoms, Causes and Treatments

What you must remember

Scalp psoriasis is a chronic inflammatory disease linked to an immune system dysfunction: the epidermis renews itself in three to seven days instead of twenty-eight, forming thick, well-defined plaques. It cannot be cured but can be managed, provided it is correctly diagnosed.

  • Psoriasis stems from an immune system dysfunction in individuals with a genetic predisposition.
  • The epidermis renews itself in three to seven days instead of twenty-eight.
  • The plates are thick, silvery, and clearly defined.
  • The disease cannot be cured but can be controlled, with a medical diagnosis.
Scalp psoriasis: Symptoms, causes and treatments - MakeMyMask

Thick, red patches covered with whitish scales on the scalp, elbows, or knees: psoriasis affects between two and four percent of the population, or more than two million people in France. It is a chronic disease, often mistaken for simple dandruff, and treatment always begins with a diagnosis.

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What is psoriasis?

It is a chronic inflammatory disease linked to a dysregulation of the immune system in individuals with a genetic predisposition. This dysregulation dramatically accelerates the renewal of the epidermis: keratinocytes, which make up the majority of this layer, renew themselves in three to seven days instead of approximately twenty-eight. The cells accumulate instead of being eliminated and form plaques.

  • It progresses in flare-ups and periods of remission.
  • It is neither contagious nor linked to a lack of hygiene.
  • On the scalp, it tends to settle on the temples, the nape of the neck and behind the ears.


Scalp psoriasis is the most burdensome condition on a daily basis because it's visible. Many people live for years with a misdiagnosis of dandruff, using countless anti-dandruff shampoos that do nothing for them. Getting the right name is already half the battle.
Dr. Julie PernetDoctor of Pharmacy & Certified Trichologist

What causes psoriasis?

There is no single cause, but rather a genetic predisposition compounded by triggering factors. Nearly a third of those affected have a family history of the condition. Stress, intense fatigue, emotional shock, infection, or certain medications can trigger or worsen a flare-up.

Symptoms of scalp psoriasis

You may be affected if you observe several of these signs:

  • Thick, clearly defined slabs with a distinct border
  • White or silvery scales, strongly adhering to the scalp
  • Injuries that sometimes spill over onto the front, the nape of the neck or behind the ears
  • The itching, sometimes intense. until the painful scratching
  • The similar patches on the elbows, the knees, or nail damage

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"I've been testing this routine for over a month and a half to get rid of my
scalp problems, and to tell you the truth, I'm still blown away by the results. After years of all kinds of treatments and medications, I no longer have any dandruff or itching."

Manon C., a customer for 2 months

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How does How to treat scalp psoriasis?

Psoriasis cannot be cured, but it is controlled. The first step is the consultation of a dermatologist, the only one authorized to ask the diagnosis and to prescribe treatment adapted. In parallel, the care of the Daily life plays on comfort: a cleaning at pH 5 which does not attack a barrier for already fragile skin, a treatment that helps to remove scales without to tear out, and a soothing of the itching for break the cycle of scratching.

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To remember

  • Psoriasis stems from an immune system dysfunction in individuals with a genetic predisposition.
  • The epidermis renews itself in three to seven days instead of twenty-eight.
  • The plates are thick, silvery, and clearly defined.
  • The disease cannot be cured but can be controlled, with a medical diagnosis.

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F.A.Q

Can scalp psoriasis be cured?
No, it's a chronic condition that progresses in flare-ups and remissions. However, flare-ups can be significantly spaced out and discomfort reduced by combining prescribed treatment with a daily routine that is gentle on the scalp.
How can it be distinguished from ordinary dandruff?
The differences lie in their shape and thickness. Dandruff is thin, diffuse, and flakes off easily; psoriasis plaques are thick, well-defined, and strongly adherent. The presence of lesions on the elbows, knees, or nails is also indicative.
Does psoriasis cause hair loss?
It can cause localized hair loss, which is usually reversible once the patches have subsided. This results from inflammation and especially from scratching, not from destruction of the hair follicle.
Do I need to follow a special diet?
Reducing tobacco and alcohol consumption has the strongest link to the severity of flare-ups. A gluten-free diet has only shown benefit in people who are also gluten intolerant.
Can cosmetic treatments be used in addition to a medical treatment?
Yes, and they are often useful for everyday comfort. They complement the prescribed treatment but never replace it: talk to your dermatologist about them, especially if you are applying a topical treatment.

Written by

Dr. Julie Pernet

Doctor of Pharmacy & Certified Trichologist.Doctor of Pharmacy and trichologist, founder of the DermoPilaire MakeMyMask Laboratory. She develops treatment protocols focused on scalp health, based on microbiome science and pH5 balance.

Dr. Julie Pernet