Possible signs of dandruff include white or yellow flakes (dead skin cells) on the hair and shoulders. This condition is usually mild and is not contagious. Common causes of dandruff include scalp ...

Dandruff is a mild form of seborrheic dermatitis caused by an overgrowth of the yeast (fungus) Malassezia. It causes oiliness, dryness, white or yellow flakes, and redness on the scalp.

Dandruff vs dry scalp Know the differences and get expert tips on how to manage them with the right shampoos and treatments ...