This image displays seborrheic dermatitis on the scalp (dandruff).  In addition to itching, a person with dandruff has snow-like flaking of excess skin from the scalp.
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Dandruff  Information for adults

Picture of Dandruff: This image displays seborrheic dermatitis on the scalp (dandruff).  Divider line
This image displays seborrheic dermatitis on the scalp (dandruff).
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Who's At Risk
Dandruff occurs in 15–20% of the population. The problem affects all races, may be a bit worse in men, and starts after puberty (although babies have a version called cradle cap). Dandruff peaks around the age of 40 and then may improve. Severe dandruff is frequently seen in people with Parkinson's disease and others with central nervous system problems, as well as in those with HIV infection.
Last Modified: 22 Dec 2008