hy·​dro·​qui·​none | \ ˌhī-drō-kwi-ˈnōn How to pronounce hydroquinone (audio) , -ˈkwi-ˌnōn \

Definition of hydroquinone

: a white crystalline strongly reducing phenol C6H6O2 used especially as a photographic developer, as an antioxidant and stabilizer, and in medicine to remove pigmentation from hyperpigmented areas of skin

Examples of hydroquinone in a Sentence

Recent Examples on the Web To avoid this, apply hydroquinone sparingly to the center of your spot and feather toward the edges. Janell M. Hickman, SELF, 27 July 2022 Ban on all cosmetics with mercury, steroids, retinol derivatives, vitamin A and hydroquinone above 2%. Umuhoza Rahmat, CNN, 13 July 2022 Although a dermatologist can prescribe hydroquinone, there are lots of over-the-counter ingredients that can also be effective. ELLE, 22 July 2022 Many products advertised as skin whiteners and lighteners contain mercury, hydroquinone or corticosteroids, which are potentially toxic and can impact a person's health. CNN, 19 June 2022 Medications containing steroids and hydroquinone are made by many of the biggest pharmaceutical companies. CNN, 25 Jan. 2022 Toxic ingredients such as mercury and hydroquinone are rarely listed on their packaging, but independent testing by multiple organizations has identified them. CNN, 25 Jan. 2022 Products containing vitamin C, hydroquinone, and kojic acid work best. Kiana Murden, Vogue, 6 Jan. 2022 In addition to the Clear + Brilliant laser, Neil Sadick, a dermatologist in New York, recommends a chemical peel with alpha hydroxy acids and a skin care regimen with skin-brightening ingredients like kojic acid or a hydroquinone derivative. Harper's Bazaar Staff, Harper's BAZAAR, 1 Nov. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hydroquinone.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of hydroquinone

circa 1872, in the meaning defined above

History and Etymology for hydroquinone

International Scientific Vocabulary

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The first known use of hydroquinone was circa 1872

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Last Updated

6 Aug 2022

Cite this Entry

“Hydroquinone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydroquinone. Accessed 12 Aug. 2022.

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More Definitions for hydroquinone


hy·​dro·​qui·​none | \ -kwin-ˈōn How to pronounce hydroquinone (audio) , -ˈkwin-ˌōn How to pronounce hydroquinone (audio) \

Medical Definition of hydroquinone

: a bleaching agent C6H6O2 used topically to remove pigmentation from hyperpigmented areas of skin (as a lentigo or freckle)


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