Pregnancy · Beauty

Is Tris(hydroxymethyl)nitromethane Safe During Pregnancy?

The facts: Tris(hydroxymethyl)nitromethane 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 Tris(hydroxymethyl)nitromethane on any product's label so you can decide with your provider. Commonly found in: liquid soap, shampoo.

TL;DR: Tris(hydroxymethyl)nitromethane is banned in the EU and allowed in the US. Here's what to know if you're pregnant.

This is not medical advice. Always talk to your OB-GYN or midwife about your diet and products during pregnancy. A restriction in another country is not the same as a proven pregnancy risk — we show you the regulatory facts and the sources so you can have an informed conversation with your provider.
Banned in 1·:European Union
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Tris(hydroxymethyl)nitromethane: regulatory status at a glance

EU statusBanned
US statusAllowed
Risk level (regulatory)high
Where it shows upliquid soap, shampoo

What is Tris(hydroxymethyl)nitromethane?

Tris(hydroxymethyl)nitromethane is a preservative that slowly releases formaldehyde to kill bacteria in water-based personal-care products.

Why is Tris(hydroxymethyl)nitromethane used in personal-care products?

It extends shelf life cheaply by releasing low levels of formaldehyde over time.

What regulators have flagged about Tris(hydroxymethyl)nitromethane

Formaldehyde is a known human carcinogen and a common skin sensitizer. The EU restricts formaldehyde-releasing preservatives and requires warning labels; Washington State is phasing them out, while they remain unrestricted federally in the US.

For educational use only. This page summarizes the regulatory status of Tris(hydroxymethyl)nitromethane 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 Tris(hydroxymethyl)nitromethane →

Audited products that don't contain Tris(hydroxymethyl)nitromethane.

Audited CleanClean dye-free
Himalayan Pink Salt Popcorn
Lesser Evil
Zero artificial dyes or preservatives — none of the Red 40 or Yellow 5 found in conventional microwave popcorn. Non-GMO verified.
$4–6/bag
Audited CleanKid-safe
Organic Cheddar Bunnies
Annie's
Free from artificial colors including Red 40 and Yellow 6, which are required to carry warning labels in the EU. USDA Organic certified.
$5–7/box
Audited CleanEU-grade
Original Grain-Free Granola
Simple Mills
No BHA, BHT, or TBHQ preservatives — synthetic antioxidants restricted or banned in Japan and the UK. Made with whole almonds and seeds.
$9–11/bag
Audited CleanClean dye-free
Dark Chocolate Chips
Lily's
Sweetened with stevia instead of high-fructose corn syrup, which is restricted in many EU products. No artificial colors.
$6–8/bag
Audited CleanEU-grade
Chocolate Bark Crackers
Hu Kitchen
No TBHQ, no BHT, no artificial preservatives of any kind. Clean ingredients only — aligns with EU additive standards.
$7–9/box
Audited CleanPregnancy-safe
Simple Squares Almond Honey Bar
Simple Squares
No sodium nitrite, artificial colors, or preservatives of concern. 6 ingredients total — ideal for pregnancy-safe snacking.
$3–4/bar

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Tris(hydroxymethyl)nitromethane and pregnancy: common questions

Is Tris(hydroxymethyl)nitromethane banned anywhere?

Yes. Tris(hydroxymethyl)nitromethane is banned in European Union. The FDA still allows it in the US.

Should I avoid Tris(hydroxymethyl)nitromethane 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 Tris(hydroxymethyl)nitromethane?

Commonly found in liquid soap, shampoo. Scan any product's barcode to check its label for Tris(hydroxymethyl)nitromethane.

What can I use instead of Tris(hydroxymethyl)nitromethane?

Choose 'formaldehyde-free' products and EU-compliant brands; look for preservatives like sodium benzoate or potassium sorbate. BannedPantry flags formaldehyde releasers on the INCI list. See the pregnancy-conscious swaps below.

Pregnant and not sure what's in your cart?

Scan any product's barcode and instantly see if it contains Tris(hydroxymethyl)nitromethane or other ingredients restricted overseas.

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Other ingredients to check during pregnancy

Sources

  1. Formaldehyde releasers in common personal-care products — Silent Spring Institute
  2. Washington Toxic-Free Cosmetics Act implementation — Toxic-Free Future
  3. EU Cosmetics Regulation Annex II (prohibited substances) — EU Cosmetics Regulation 1223/2009

Our scores are never influenced by brands. Last updated 6/11/2026.

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