Common triggers for dandruff

Dandruff is characterized by thin flakes on the scalp. While not a concerning health problem, it can be embarrassing. The Mayo Clinic says possible causes include:
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* Dry skin.
* Oily, greasy skin (seborrheic dermatitis).
* Insufficient shampooing of the scalp.
* Eczema, psoriasis and other skin conditions, which may resemble dandruff.
* A fungus called malassezia.
* Contact dermatitis, caused by a sensitivity to certain skin and hair products.