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What causes seborrheic dermatitis?

Although the exact cause of seborrheic dermatitis is unknown, an immune reaction to the Malassezia fungal yeast family is thought to be involved. It is normal for these yeasts to live in the skin's natural oil without problem, along with bacteria and other organisms. In certain individuals, though, these yeasts may produce toxic substances, resulting in skin irritation and inflammation.

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Author: Lauren Donley BSc (Hons)
First answered: 18 Sep 2014
Last reviewed: 19 May 2018
Rating: 4.2 out of 5
Votes: 597 (Click smiley face below to rate)
Category: Acne

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