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The facts: Diethyl sulfate is banned in 1 country/region (including European Union), though the FDA still allows it in the US. We can't tell you whether it's safe for your pregnancy — that's a conversation for your OB-GYN or midwife. What we can do is show you the regulatory facts and flag Diethyl sulfate on any product's label so you can decide with your provider. Commonly found in: older cosmetics.
TL;DR: Diethyl sulfate is banned in the EU and allowed in the US. Here's what to know if you're pregnant.
| EU status | Banned |
|---|---|
| US status | Allowed |
| Risk level (regulatory) | high |
| Where it shows up | older cosmetics |
Diethyl sulfate (Diethyl Sulfate) is an alkylating agent.
It is used for its preservative, coloring, fragrance, solvent or texture-enhancing function.
A known carcinogen; banned in EU cosmetics.
For educational use only. This page summarizes the regulatory status of Diethyl sulfate with citations to the primary sources below. It is not medical advice and is not pregnancy-specific medical guidance. Consult your OB-GYN or midwife for decisions about your pregnancy.
Yes. Diethyl sulfate is banned in European Union. The FDA still allows it in the US.
That's a decision for you and your OB-GYN or midwife — we don't give medical advice. What we can tell you is the regulatory status above. Many people choose to limit additives during pregnancy out of caution; bring this page and its sources to your next appointment.
Commonly found in older cosmetics. Scan any product's barcode to check its label for Diethyl sulfate.
Choose EU-compliant or 'free-from' formulations and read the INCI list. BannedPantry flags this ingredient and suggests safer swaps. See the pregnancy-conscious swaps below.
Scan any product's barcode and instantly see if it contains Diethyl sulfate or other ingredients restricted overseas.
Scan a product free →Our scores are never influenced by brands. Last updated 6/11/2026.
Audited products that don't contain Diethyl sulfate.
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