Mechanisms of sunscreen failure

Mandy Wartha Wright, Steven T. Wright, Richard Wagner

Research output: Contribution to journalArticle

83 Citations (Scopus)

Abstract

Sunscreen is used as a primary strategy to prevent sunburn and later skin cancer. However, sunscreen use has paradoxically been associated with the increasing incidence of skin cancer. One explanation for this puzzling observation is sunscreen failure (sunburn in the setting of sunscreen). Our purpose was to evaluate mechanisms of sunscreen failure in a sunscreen-using population. We carried out an epidemiologic comparison of sunburned and nonsunburned beachgoers who used sunscreen. We found that men were less likely to use sunscreen than women (χ2 = 11.3, df = 1, P = .001), and when ir was used, men were less likely to apply sunscreen to all sunlight-exposed skin (χ2 = 18.4, df = 1, P = .0001). Swimmers who used sunscreen were significantly more likely to be sunburned compared with nonswimming sunscreen users (Fisher exact test, df = 1). Sunscreen may fail to prevent sunburn if ir is washed off during swimming or if ir is not applied to all exposed skin. Epidemiologic studies that link sunscreen use to skin cancer should evaluate whether sunburn occurred in this setting.

Original languageEnglish (US)
Pages (from-to)781-784
Number of pages4
JournalJournal of the American Academy of Dermatology
Volume44
Issue number5
DOIs
StatePublished - 2001

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Sunscreening Agents
Sunburn
Skin Neoplasms
Skin
Sunlight
Epidemiologic Studies

ASJC Scopus subject areas

  • Dermatology

Cite this

Mechanisms of sunscreen failure. / Wright, Mandy Wartha; Wright, Steven T.; Wagner, Richard.

In: Journal of the American Academy of Dermatology, Vol. 44, No. 5, 2001, p. 781-784.

Research output: Contribution to journalArticle

Wright, Mandy Wartha ; Wright, Steven T. ; Wagner, Richard. / Mechanisms of sunscreen failure. In: Journal of the American Academy of Dermatology. 2001 ; Vol. 44, No. 5. pp. 781-784.
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