1,4-Dioxane
Preservative
1,4-Dioxane is a chemical that can be found in some personal care products, like shampoos and body washes. It's used to help keep these products from growing bacteria and mold, but it can also be bad for the environment and our health.
Source: EWG Skin Deep
1,4-Dioxane is considered a high concern due to its potential to cause cancer and harm the reproductive system, as well as its ability to contaminate drinking water.
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Evaluating 1,4-Dioxane Exposure in Long Island, New York: Integrating Environmental, Biological, and Metabolomic Measures.
Deziel NC, Liu S, Johnson NP
2026
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Last updated: May 16, 2026