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Is calcium hydroxide safe during pregnancy?

Reviewed by · Last reviewed

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

Pregnancy-safe products containing calcium hydroxide

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Authoritative references used to score this ingredient.

Frequently asked questions

Is calcium hydroxide safe during pregnancy?
No harmonised reproductive classification (no H360/H361) and no authoritative cosmetic-safety body (CIR/SCCS) listing calcium hydroxide as a reproductive toxicant. Primary hazards are local corrosivity/alkalinity rather than systemic reproductive toxicity; systemic absorption from topical use is negligible. Sources: ECHA Annex VI (CLP), PubChem, CosIng.
Is calcium hydroxide safe while breastfeeding?
No evidence of reproductive or lactation-specific systemic toxicity; main risk is local corrosive/irritant effects if applied to skin. Negligible systemic absorption expected from normal topical cosmetic uses, so breastfeeding transfer is unlikely. Sources: ECHA Annex VI (CLP), PubChem, CosIng.
Is calcium hydroxide safe for baby skin?
No specific developmental/infant reproductive hazard identified. However, calcium hydroxide is a strong alkali/corrosive (skin/eye damage hazard per ECHA CLP data) so infant skin is at higher risk of local injury; because infant barrier is immature, exposure concern for local effects and greater local penetration is higher (hence exposure score +1). Sources: ECHA Annex VI (classification for corrosivity), ECHA registration dossiers, PubChem, CosIng.
How does VeriMom score calcium hydroxide?
VeriMom scores calcium hydroxide 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 calcium hydroxide?
See our curated list of pregnancy-safe alternatives to calcium hydroxide 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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