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Is montmorillonite safe during pregnancy?

Reviewed by · Last reviewed

Pregnancy-Safe Ingredients Database — 28,000+ Ingredients Rated
montmorillonite
NO KNOWN RISKS
100
/100
0

Pregnancy-safe products containing montmorillonite

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Authoritative references used to score this ingredient.

Frequently asked questions

Is montmorillonite safe during pregnancy?
No harmonised reproductive classification or SCCS/CIR contraindication found for montmorillonite; CIR’s amended safety assessment of naturally‑sourced clays (which includes montmorillonite) concludes they are safe as used in cosmetics and cites animal data that did not demonstrate reproductive/developmental hazard at test doses. ECHA substance information lists montmorillonite but shows no harmonised CLP reproductive classification. (CIR, WHO/EHC, ECHA).
Is montmorillonite safe while breastfeeding?
No evidence of specific lactation/breastfeeding toxicity or mammary transfer for montmorillonite in the regulatory and peer‑reviewed literature; CIR and available animal studies did not identify reproductive or developmental hazards supporting a breastfeeding restriction. Breastmilk transfer is not expected for an insoluble inorganic clay particulate used topically. (CIR; PubMed studies).
Is montmorillonite safe for baby skin?
No infant‑specific hazard data indicating reproductive or developmental toxicity; mechanism concerns not identified. Dermal absorption of intact montmorillonite clay is negligible for adults (so adult exposure scored 0), but because infant skin barrier is immature the exposure score is increased by +1 for 0–3 y skin exposure where measurable uptake cannot be fully excluded. Note: purity/contaminant (heavy metals) variability in natural clays is a practical concern. (CIR; WHO EHC; PubMed).
How does VeriMom score montmorillonite?
VeriMom scores montmorillonite at 100/100 (no known risks) based on EU CosIng status, ECHA hazard classifications, and peer-reviewed PubMed studies. Our scoring pipeline is fully transparent.
What are pregnancy-safe alternatives to montmorillonite?
See our curated list of pregnancy-safe alternatives to montmorillonite based on similar function and a no-known-risks safety band.

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Medical Disclaimer

This information is for educational purposes only and does not constitute medical advice. Safety scores are based on publicly available data and may not reflect all risks. Always consult your healthcare provider before using any product during pregnancy or breastfeeding.

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