What is the cause of dandruff?

Oil from the scalp causes the skin cells to clump together and appear as white flakes. Dandruff can be caused by a number of things, including dry skin; sensitivity to hair products; and skin conditions such as psoriasis, seborrheic dermatitis, or eczema. The overgrowth of yeast can also cause dandruff. read more

Dandruff can have several causes, including: Irritated, oily skin (seborrheic dermatitis). This condition, one of the most frequent causes of dandruff, is marked by red, greasy skin covered with flaky white or yellow scales. read more

Causes. Skin cells are formed continuously on the scalp, so the shedding of dead skin cells is a normal process. Sometimes with dandruff, however, skin cells are shed at a faster rate than normal. Oil from the scalp causes the skin cells to clump together and appear as white flakes. read more