What is dandruff?

Dandruff is a condition of upper skin layer of the scalp where there are excessive shedding dead skin cells.

Naturally there will be shedding of the skin cells from every parts of the body after a period of time. When there is excessive shedding of scalp dead cells with itching, it is called as dandruff or seborrheic dermatitis. Sometimes it can be seen on eyebrows or along the sides of the nose.

It is normal for these to be shed or rubbed off because the body is constantly producing new cells that simply move up to replace older ones.