Dandruff n. : A scurf which forms on the head, and comes off in small or particles.

Example:
I have Dandruff problem. What is the best hair products i can use for the Dandruff and to grow my hair?

Taxonomy
dandruff, seborrheic dermatitis, dandruff shampoos, Dawson, TL, skin, shampoos, ketoconazole, scalp, Malassezia, PMID, zinc pyrithione, flake, fungus, dead skin cells, cause of dandruff, control dandruff, Dermatol.

Defination from the web:
Dandruff (also called scurf and historically termed Pityriasis capitis) is the excessive shedding of dead skin cells from the scalp. Dandruff can also be caused by frequent exposure to extreme heat and cold. ... Most cases of dandruff can be easily treated with specialized shampoos. ...