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 The brand’s hero ingredients are ones that have been recommended for years to treat challenging skin conditions, like tretinoin and hydroquinone. Meggen Taylor, Forbes, 4 May 2021 Vitamin C and hydroquinone have long been highly coveted for diminishing hyperpigmentation. Devon Abelman, Allure, 14 Apr. 2021 Derived from the bearberry plant or pear tree leaves, arbutin is a natural derivative of hydroquinone that prevents melanin formation. Dori Price, Good Housekeeping, 23 Mar. 2021 Chang says to look for topical treatments that contain retinoids, hydroquinone, and azelaic acid, which have all been proven to dramatically lighten dark marks and even melasma. Audrey Noble, Harper's BAZAAR, 21 Dec. 2020 There are plenty of dark spot-fighting products on the market, but the gold standard of lightening solutions is hydroquinone. Julie Ricevuto, Allure, 22 Oct. 2020 The main culprit in lightening creams is hydroquinone. Fedora Abu, refinery29.com, 30 June 2020 From there, treatment usually involves with topical medications, like prescription hydroquinone, which can lighten skin, the American Academy of Dermatology (AAD) explains. Sarah Jacoby, SELF, 6 Aug. 2020 The beetle’s explosive power is derived primarily from the mixture of two chemical compounds—hydroquinone and hydrogen peroxide—that are stored in separate reservoirs in the abdomen. National Geographic, 30 June 2020

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.

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First Known Use of hydroquinone

circa 1872, in the meaning defined above

History and Etymology for hydroquinone

International Scientific Vocabulary

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Time Traveler for hydroquinone

Time Traveler

The first known use of hydroquinone was circa 1872

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Statistics for hydroquinone

Last Updated

14 May 2021

Cite this Entry

“Hydroquinone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydroquinone. Accessed 19 Jun. 2021.

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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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