benzoyl peroxide


: 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 Buy Now on Amazon: $26 Benzoyl Peroxide: Not everyone with acne needs benzoyl peroxide, but those with a specific problem will benefit enormously. Adam Hurly, Robb Report, 17 Aug. 2023 This shampoo contains benzoyl peroxide, which is a powerful antiseptic that helps to soothe and heal irritated skin while also cleansing away dirt and oil. Amber Smith, Discover Magazine, 6 July 2023 This Differin cleanser uses 5 percent benzoyl peroxide to treat your skin before the rest of your routine. Tatjana Freund, ELLE, 13 June 2023 Additionally, abrasive scrubs and benzoyl peroxide can also irritate the skin, especially for those who have acne, adds Dr. Evans. Sabrina Talbert, Women's Health, 8 Aug. 2023 Are there any downsides of using benzoyl peroxide face washes? Shannon Ullman, Verywell Health, 30 Apr. 2023 Type Face and body wash Key ingredients Salicylic acid and benzoyl peroxide Size 6 fl. Adele Jackson-Gibson,, 14 Apr. 2023 Look for ingredients like benzoyl peroxide, salicylic acid, and sulfur—all of which help exfoliate the skin and help clear up acne. Jessica Migala, Women's Health, 28 July 2023 That said, with the highest amount of benzoyl peroxide allowed, this face wash can be a little strong for some people. Sherri Gordon, Verywell Health, 12 June 2023 See More

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.” Dictionary, Merriam-Webster, Accessed 28 Sep. 2023.

Kids Definition

benzoyl peroxide

ben·​zo·​yl peroxide
: a white crystalline compound used in bleaching and in medicine especially in the treatment of acne

Medical Definition

benzoyl peroxide

: 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.

Last Updated: - Updated example sentences
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