dandruff
noun /ˈdændrʌf/
/ˈdændrəf/
[uncountable]- very small pieces of dead skin, seen as a white dust in a person’s hair
- a dandruff shampoo
Oxford Collocations DictionaryDandruff is used before these nouns:- shampoo
Word Originmid 16th cent.: the first element is unknown; the second (-ruff) is perhaps related to Middle English rove ‘quality of being flaky’.