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benzoyl peroxide
noun
: a colorless to white crystalline compound C14H10O4 that is used as a bleaching agent (as for whitening flour), as a catalyst for the synthesis of polymers (such as polystyrene), and medically as an antibacterial and keratolytic agent especially for the topical treatment of acne
Examples of benzoyl peroxide in a Sentence
Recent Examples on the Web
In the case of the new study, benzoyl peroxide can degrade into benzene.
—Elizabeth Yuko, Health, 17 Oct. 2024
The researchers tested over 100 benzoyl peroxide acne products purchased from major retailers in six states and found high benzene levels in several products.
—Fran Kritz, Verywell Health, 11 Oct. 2024
Idriss says that benzoyl peroxide is great for killing the acne-causing bacteria and reducing the inflammation that comes with flare ups.
—Jenna Rennert, Vogue, 9 Oct. 2024
This would include those that are made with hydrocarbons like benzoyl peroxide, an agency spokesperson said.
—Anna Edney/bloomberg, TIME, 7 Oct. 2024
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Word History
First Known Use
1867, in the meaning defined above
Dictionary Entries Near benzoyl peroxide
Cite this Entry
“Benzoyl peroxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/benzoyl%20peroxide. Accessed 5 Nov. 2024.
Kids Definition
benzoyl peroxide
noun
ben·zo·yl peroxide
ˈben-zə-ˌwil-,
-ˌzȯil-
: a white crystalline compound used in bleaching and in medicine especially in the treatment of acne
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