Please note that I am not a doctor (my husband is) but all the below information is from credible sources (listed at the end of this blog).
What is seborrhoeic dermatitis?
A rash or inflammation of skin that usually comes up in areas rich in sebaceous glands e.g. the face, scalp and centre of the chest.
How common is it?
Pretty common: 3-5% of people globally are affected by it.
Is it more prone in certain age groups?
Yes: young adults, the elderly and infants
What causes it?
This isn't fully understood. What is know is that a yeast called Malassezia (present in skin) plays a part in its development. Other possible causes include:
What does NOT cause it?
What are the symptoms of scalp seborrhoeic dermatitis?
What does seborrhoeic dermatitis look like on the scalp?
Bumpy, red (if you're light skinned) with greasy-looking white or yellowish scales. The rash may weep.
How is it diagnosed?
Your doctor should be able to tell, however, it can be difficult for doctors to distinguish seborrhoeic dermatitis from psoriasis.
Can it be cured?
No, it can only be managed. This means you might have to take a treatment continuously or on and off for many months or years.
How is scalp seborrhoeic dermatitis treated?
Your doctor might prescribe:
To avoid repetition, please read the second half of the blog on psoriasis for a few more dos and donts unique to those with natural hair.
You might also like:
Managing scalp psoriasis and your natural black hair
13 Top Tips for Keeping Natural Black Hair Moisturised - No More Dry Hair!
Solutions for a burnt scalp e.g. due to hot water or direct application of essential oils
Get your FREE ebook on How To Grow Long, Healthy Natural Kinky or Curly Hair.
The British Association of Dermatologists
NHS Clinical Knowledge Summary
I have a mild preference for British over US medical sources because the UK system is not-for-profit so the sources won't have a money-making motive in them.
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By Heather Katsonga-Woodward