Is 1,4-dioxane safe in cosmetics and personal care products?

1,4-Dioxane has been flagged by EPA + EWG as a probable carcinogen concern (HIGH risk level). onlyonlytoxinfree has found it in 0 products in our database. Our scores are based on peer-reviewed toxicology data and are never adjusted for brand partners.

Which products contain 1,4-dioxane?

We have identified 0 products containing 1,4-dioxane. You can scan any product barcode on onlyonlytoxinfree.com to check for this and other flagged ingredients.

High Concern

1,4-Dioxane

Flagged by EPA + EWG ↗ as a probable carcinogen concern

What it is

A contaminant formed during the ethoxylation of surfactants. A probable carcinogen not listed on ingredient labels because it is a byproduct.

No products in our database currently contain this ingredient.

Products that avoid this ingredient

Looking for cleaner options? Browse our best-rated products by category.

Best Shampoo Best Conditioner Best Body Wash Best Face Wash