How do you get dandriff?

Dandruff is not always part of the scalp. dandruff is basically built up things together. for instance, its like shampoo and dead skin, and other things like dust and hair care products. if you want to stop dandruff, than you should switch to a dandruff shampoo and wash out your hair really well. you should also wash your hair often, and regularly. if you have dandruff you also might want to see a doctor about it.