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 Additionally, people who are pregnant or breastfeeding should avoid certain skin-care ingredients such as salicylic acid, hydroquinone, and retinol. Jenn Sinrich, SELF, "10 Easy and Effective Chemical Peels You Can Do at Home," 24 Mar. 2020 Traditional treatments include hydroquinone as needed and natural skin brighteners like vitamin C. For specific recommendations or more aggressive solutions, consult with a dermatologist. Essence, "Everything You Need To Know To Get The Skin You Want This Year," 20 Jan. 2020 The trade in skin lighteners, nonetheless, continued as other active ingredients – most notably hydroquinone – replaced ammoniated mercury. Lynn M. Thomas, Quartz Africa, "There’s a complex history of skin lighteners in Africa and beyond," 9 Mar. 2020 However hydroquinone itself been linked to certain cancers, decreased immune response, abnormal function of the adrenal gland, and a skin condition known as ochronosis. Olivia Fleming & Jenna Rosenstein, Harper's BAZAAR, "The Ultimate Guide to Clean Beauty," 12 Aug. 2019 Dermatologists usually recommend salicylic, alpha-, or beta-hydroxy acids as well as retinol to resurface the skin, plus hydroquinone, an ingredient that inhibits the production of melanin. Tiffany Dodson, SELF, "7 Over-the-Counter Products Dermatologists Recommend to Fade Acne Scars," 20 Aug. 2019 Topical hydroquinone is the most common lightening agent used. Mayo Clinic News Network, chicagotribune.com, "Mayo Clinic Q&A: Treating melasma," 22 Nov. 2019 Topical skin care regimens containing ingredients like hydroquinone, arbutin, kojic acid, azelaic acid, licorice, tranexamic acid and vitamin C can help to reduce hyperpigmentation with time. Shalwah Evans, Essence, "Dr. Michelle Henry Talks How To Treat Underarm Hyperpigmentation, Milia And More," 16 Oct. 2019 Specifically, 44 percent of patients saw good-to-excellent improvement with niacinamide and 55 percent saw the same with hydroquinone. A.a. Newton, SELF, "Here’s What Niacinamide Can—and Can’t—Do for Your Skin," 8 May 2019

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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The first known use of hydroquinone was circa 1872

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Cite this Entry

“Hydroquinone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydroquinone. Accessed 10 Jul. 2020.

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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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