Pregnancy · Beauty

Is Thioglycolic acid Safe During Pregnancy?

The facts: Thioglycolic acid is restricted in 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 Thioglycolic acid on any product's label so you can decide with your provider. Commonly found in: perms, hair relaxers, depilatories.

TL;DR: Thioglycolic acid is restricted 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.
Restricted in 1:European Union
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Thioglycolic acid: regulatory status at a glance

EU statusRestricted
US statusAllowed
Risk level (regulatory)high
Where it shows upperms, hair relaxers, depilatories

What is Thioglycolic acid?

Thioglycolic acid (Thioglycolic Acid) is a reducing agent in perms and hair removers.

Why is Thioglycolic acid used in personal-care products?

It is used for its preservative, coloring, fragrance, solvent or texture-enhancing function.

What regulators have flagged about Thioglycolic acid

A corrosive sensitizer; the EU strictly limits its concentration.

For educational use only. This page summarizes the regulatory status of Thioglycolic acid 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 Thioglycolic acid →

Audited products that don't contain Thioglycolic acid.

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

As an Amazon Associate, BannedPantry earns from qualifying purchases. This never influences our ratings — see Affiliate Disclosure.

Full regulatory detail
Where is Thioglycolic acid banned? →
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Products without Thioglycolic acid →

Thioglycolic acid and pregnancy: common questions

Is Thioglycolic acid banned anywhere?

Yes. Thioglycolic acid is restricted in European Union. The FDA still allows it in the US.

Should I avoid Thioglycolic acid 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 Thioglycolic acid?

Commonly found in perms, hair relaxers, depilatories. Scan any product's barcode to check its label for Thioglycolic acid.

What can I use instead of Thioglycolic acid?

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.

Pregnant and not sure what's in your cart?

Scan any product's barcode and instantly see if it contains Thioglycolic acid or other ingredients restricted overseas.

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Other ingredients to check during pregnancy

Sources

  1. EU Cosmetics Regulation Annex II (prohibited substances) — EU Cosmetics Regulation 1223/2009
  2. EU-banned cosmetics ingredients and US impact — RegASK
  3. Chemicals in cosmetics — CHEM Trust

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

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