What causes dandruff?

Dandruff is a common condition and affects the scalp and causes flakes of skin to appear. The skin cells continually renew themselves. When the skin-cell on the scalp renew themselves, they push the dead cells to the surface of the scalp. For a person who is prone to dandruff, more dead cells are shed, thereby making the dandruff noticeable.   Dandruff can be caused by these factors: the sebaceous glands in the scalp produce too little oil. stress poor hygiene of scalp of an underlying fungal infection of the scalp. overuse of shampoos chemical based hair treatments weather conditions