hydroquinone

noun
hy·​dro·​qui·​none | \ˌhī-drō-kwi-ˈnōn, -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

For anyone with melasma or mild hyperpigmentation, powerful ingredients like retinol, vitamin C, vitamin E, kojic acid, hydroquinone or licorice root are the perfect choice for their brightening capabilities. Michelle Gant, Fox News, "Get brighter, glowing skin with these tips," 21 Aug. 2018 Bleaching creams containing hydroquinone should also be avoided during this time. Allure, "11 of the Best Skin-Care Products for Pregnant and Nursing Mothers," 30 Mar. 2018 The same goes for hydroquinone, which is found in brightening creams. Jane Chertoff, SELF, "5 Acne Products That Are Safe to Use While Pregnant or Trying to Conceive," 12 Oct. 2018 The problem: Some chemicals in skin-lightening products, like kojic acid and hydroquinone, may be considered carcinogenic, as per data from the National Institute of Health. Ashley Oerman, Cosmopolitan, "Absolutely Everything You Need to Know About Anal Bleaching," 6 Feb. 2018 Treatment Plan: Products with hydroquinone and alpha hydroxy acids can speed up the fading process. Kelsey Castañon, Seventeen, "3 Types of Acne Scars — and How to Get Rid of Them," 11 Jan. 2018 Glycolic acid, vitamin C, hydroquinone, and, believe it or not, snail mucin. Shammara Lawrence, Allure, "I Finally Found the First Hyperpigmentation Treatment That Actually Works on My Skin," 15 Mar. 2018 Treatment Plan: Products with hydroquinone and alpha hydroxy acids can speed up the fading process. Kelsey Castañon, Seventeen, "3 Types of Acne Scars — and How to Get Rid of Them," 11 Jan. 2018 To create their spray, the beetles combine hydrogen peroxide with hydroquinones, which explodes into an irritating spray of benzoquinone. Jason Daley, Smithsonian, "How Exploding Beetles Can Survive Being Eaten Alive," 21 Feb. 2018

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.

See More

First Known Use of hydroquinone

circa 1872, in the meaning defined above

History and Etymology for hydroquinone

International Scientific Vocabulary

Keep scrolling for more

Learn More about hydroquinone

Share hydroquinone

Statistics for hydroquinone

Last Updated

26 Nov 2018

Look-up Popularity

Time Traveler for hydroquinone

The first known use of hydroquinone was circa 1872

See more words from the same year

Keep scrolling for more

More Definitions for hydroquinone

hydroquinone

noun
hy·​dro·​qui·​none | \-kwin-ˈōn, -ˈkwin-ˌōn \

Medical Definition of hydroquinone 

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

Comments on hydroquinone

What made you want to look up hydroquinone? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a knickknack or trinket

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!