Is Diethyl sulfate Safe During Pregnancy?
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.
Diethyl sulfate: regulatory status at a glance
| EU status | Banned |
|---|---|
| US status | Allowed |
| Risk level (regulatory) | high |
| Where it shows up | older cosmetics |
What is Diethyl sulfate?
Diethyl sulfate (Diethyl Sulfate) is an alkylating agent.
Why is Diethyl sulfate used in personal-care products?
It is used for its preservative, coloring, fragrance, solvent or texture-enhancing function.
What regulators have flagged about Diethyl sulfate
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.
Pregnancy-conscious swaps free from Diethyl sulfate →
Audited products that don't contain Diethyl sulfate.
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Diethyl sulfate and pregnancy: common questions
Is Diethyl sulfate banned anywhere?
Yes. Diethyl sulfate is banned in European Union. The FDA still allows it in the US.
Should I avoid Diethyl sulfate during pregnancy?
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.
What products contain Diethyl sulfate?
Commonly found in older cosmetics. Scan any product's barcode to check its label for Diethyl sulfate.
What can I use instead of 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 →Other ingredients to check during pregnancy
Sources
- EU Cosmetics Regulation Annex II (prohibited substances) — EU Cosmetics Regulation 1223/2009
- EU-banned cosmetics ingredients and US impact — RegASK
- Chemicals in cosmetics — CHEM Trust
Our scores are never influenced by brands. Last updated 6/11/2026.