What is dandruff?
The causes of an itchy and flaky scalp
Puberty is a common time to experience dandruff as the scalp produces more oil
© Alamy
The skin on your head is constantly being replaced, but most of the time the shedding of dead skin cells goes unnoticed. It’s natural for your skin to shed occasional flakes, but sometimes this process can accelerate, and you may find your head and clothes littered with a white dusting. These flakes of dry skin can be caused by dandruff, a common condition which leaves sufferers with a dry and itchy head.