[[quoteright:330:[[Series/AreYouBeingServed http://static.tvtropes.org/pmwiki/pub/images/Mrs_Slocombe_7290.jpg]]]]
[[caption-width-right:330:[[KaleidoscopeHair One of her MANY hair colors.]]]]

->''"Now the goose is on the table,\\
And the pudding made of fig, ahh,\\
And the blue and silver candles\\
That would just have matched the hair in Grandma's wig."''
-->-- '''Elmo & Patsy''', "Grandma Got Run Over by a Reindeer"

Grey hair has often been considered a sign of respectable old age. Unfortunately, not everyone becomes a SilverFox with age: those with one or two [=MC1R=] variant alleles will instead find that their hair turns an ugly dirty yellow. Older women in the 1970s and earlier who wanted to be gracefully grey would therefore get their stylists to treat their yellowing hair with a blue rinse, which, with luck, would tone down the yellow and leave a silver grey. It didn't always work - not everyone's hair absorbs the same amount of dye - and many older women walked around with distressingly blue hair. This led to this trope and also to the phrase "the blue rinse set", used in the 70s and 80s to describe older women in general (and still used in [[UsefulNotes/BritishPoliticalSystem British politics]] to describe old Tory women who don't think women should participate in politics and make sure that happens by [[{{Hypocrite}} taking control of local branches of the Conservative Party]]).

Not to be confused with the [[YouGottaHaveBlueHair intensely blue hair of some anime women]]. Or men.
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!!Examples

[[foldercontrol]]

[[folder: Film ]]

* The violent old lady in the ''WesternAnimation/{{Madagascar}}'' movies is codenamed 'Bluehair' by the penguins.
* Alex's mother in ''Film/AClockworkOrange'' is shown with bluish-purplish hair. While audiences now might guess that she's a superannuated punk rocker, her color is an exaggerated blue rinse treatment.

[[/folder]]

[[folder: Literature ]]

* In ''AmeliasNotebook'', there is one occasion where the titular character zones out in the lunch line and almost mistakes an elderly cafeteria worker for one of her troll dolls due to her blue-tinted hair.
* Aunt Beatrice from ''The39Clues''.
* By the end of ''Auntie Mame'', the titular character's hair "which had all gone to gray, was rinsed to a delicate periwinkle blue". Her great-nephew notices this:
-->She pressed her nose against Mike's and looked into his eyes. "I've never ''seen'' hair the color of yours, my little love. It's so red!"\\
"I've never seen hair the color of yours, either," Mike said. "It's ... it's so ''blue''!"
* A story-- title frustratingly forgotten-- from a long-ago issue of ''Cricket'' magazine had a girl try to add a little bluing to her white horse for a show, and ending up with a blue horse. She then tries to cover it up with a chestnut-colored temp dye. HilarityEnsues when it rains...

[[/folder]]

[[folder: Live Action TV ]]

* Dorothy from ''TheGoldenGirls'' isn't quite blue-haired, but she's close.
* Mrs. Slocombe from ''Series/AreYouBeingServed'' often dyed her hair some odd color nearly every episode. Usually, it was blue.
* Phyllis Pearce in ''CoronationStreet''.
* Briefly, in an episode of ''Series/{{iCarly}}'', there was a ''green''-haired old lady (who sucks on a baby pacifier).
* Thelma Harper from ''Series/MamasFamily'', who was once even referred to as a "blue-haired old dragon" by her daughter-in-law.
* Grandma Yetta from ''Series/TheNanny''.
* Conversed in ''Series/BuffyTheVampireSlayer'' when Willow describes her future self as "old and blue-haired".

[[/folder]]

[[folder: Music ]]

* Referenced in "Grandma Got Run Over by a Reindeer" by Elmo & Patsy. In some recordings, at least.
* In Music/RayStevens' "A Little Blue-Haired Lady", the narrator is stuck behind one who is driving 20 MPH on the interstate.

[[/folder]]

[[folder: Webcomics ]]

* [[Webcomic/IrregularWebcomic David Morgan-Mar]] states that he [[http://www.irregularwebcomic.net/717.html deliberately changed]] Jane Goodall's hair to that color.

[[/folder]]

[[folder: Western Animation ]]

* Agnes Skinner, Seymour's [[MyBelovedSmother "beloved smother—I mean, mother"]] from ''WesternAnimation/TheSimpsons''.
** Although it's worth noting that blue is a natural hair color in ''The Simpsons'', so it might not be dyed.
* Lazy Susan in ''WesternAnimation/GravityFalls''.
* {{Goofy}}'s [[WesternAnimation/GoofysGrandma grandmother]] in the ''WesternAnimation/MickeyMouse'' series of 2013-'14
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