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 For inflamed acne, a cleanser with benzoyl peroxide or salicylic acid may help. Angela Palmer Updated, Verywell Health, 16 Apr. 2024 But Nazarian doubts a recall for benzoyl peroxide acne products is coming. Kayla Hui, Verywell Health, 18 Mar. 2024 See all Example Sentences for benzoyl peroxide 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'benzoyl peroxide.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1867, in the meaning defined above

Time Traveler
The first known use of benzoyl peroxide was in 1867

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 29 May. 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

Medical Definition

benzoyl peroxide

noun
: a white crystalline flammable compound C14H10O4 used in bleaching and in medicine especially in the treatment of acne

Note: Benzoyl peroxide is marketed the trademark Epiduo when used in combination with adapalene.

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