Sunscreen Users Less Likely To Have Elevated Benzene Levels
A study found that application of topical sunscreen may be associated with a low risk of systemic benzene absorption For the purpose of this study, researchers used data from the National Health and Nutrition Examination Survey for adults aged 20 years. 10,861 adults were identified with data on blood benzene and self-reported sunscreen use.Blood concentration of benzene was determined by capillary gas chromatography and mass spectrometry with selected-ion monitoring detection. Blood concentration was defined as either below or above the lower limit of detection (LLOD) (0.024 ng/mL). Findings showed that individuals of any sunscreen use frequency had lower mean blood benzene levels and were more often below the LLOD of blood benzene compared to never users. In the multivariable linear and logistic regressions, individuals of any frequency of sunscreen use were significantly less likely to have elevated mean blood benzene levels and concentrations above the LLOD,respectively, compared with never users when controlling for all covariates. It was concluded that sunscreen users of any frequency were less likely to have elevated blood concentrations of benzene than never users suggesting a risk of systemic benzene exposure from sunscreen use may be low.

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