: scaly white or grayish flakes of dead skin cells especially of the scalp
also : the condition marked by excessive shedding of such flakes and usually accompanied by itching

Examples of dandruff in a Sentence

The shampoo is supposed to help control dandruff.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
It’s formulated with rosemary oil, which, thanks to its antimicrobial properties, can reduce dandruff and other types of scalp irritation. Isabel Bekele, InStyle, 26 July 2026 This includes those who are prone to scalp irritation or anyone who already struggles with significant dandruff or scalp buildup. Daryl Austin, USA Today, 25 July 2026 Many are formulated to address a concern (dandruff, breakage, brittleness) or to work most effectively for a specific hair type (4C curls, wavy hair, gray hair). Catharine Malzahn, Allure, 13 July 2026 Dandruff For those with dandruff, excess oil buildup on the scalp causes skin cells to shed. Bestreviews, Mercury News, 7 July 2026 See All Example Sentences for dandruff

Word History

Etymology

probably from dand- (origin unknown) + -ruff, from Middle English rove scabby condition, from Old Norse hrūfa scab; akin to Old High German hruf scurf, Lithuanian kraupus rough

First Known Use

1545, in the meaning defined above

Time Traveler
The first known use of dandruff was in 1545

Browse Nearby Words

Cite this Entry

“Dandruff.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dandruff. Accessed 2 Aug. 2026.

Kids Definition

: scaly white or grayish flakes of dead skin cells especially of the scalp
also : the condition marked by the excessive shedding of such flakes

Medical Definition

: scaly white or grayish flakes of dead skin cells especially of the scalp
also : the condition marked by excessive shedding of such flakes and usually accompanied by itching

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