oxybenzone

O1X8Y4B3E1N1Z10O1N1E1

noun

A benzophenone compound widely used in sunscreens and plastics.

UncommonScrabble 31

Meanings

nounoxybenzone (uncountable)
  1. uncountablechemistryA benzophenone compound widely used in sunscreens and plastics.

    Chemical ingredients — such as avobenzone, oxybenzone and homosalate — absorb the UV rays. Both types of sunscreen can degrade or wash off over time, so it’s important to reapply every two hours, and more frequently if you’re swimming or sweating.

    2023 July 15, Dana G. Smith, “Why Sunscreen Is the Only Anti-Aging Product You Need”, in The New York Times
    1 more example

    As documented in a recent FDA study, chemical sunscreens, with active ingredients like oxybenzone, octocrylene, octinoxate, homosalate, and avobenzone, are applied to the skin and then can remain in the blood plasma at significant levels for days to weeks after application[.]

    2024 June 21, Danielle Sinay, quoting Madhu Shetti, “Is Sunscreen Bad for You? TikTok’s Anti-SPF Movement, Explained”, in Glamour

Origin

Cite this entry
APA

oxybenzone. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/oxybenzone

MLA

“oxybenzone.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/oxybenzone. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “oxybenzone,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/oxybenzone.

Source: oxybenzone on Wiktionary, CC BY-SA 4.0.