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Is magnesium hydroxide safe during pregnancy?

Reviewed by · Last reviewed

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

Pregnancy-safe products containing magnesium hydroxide

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Frequently asked questions

Is magnesium hydroxide safe during pregnancy?
No harmonised CLP reproductive classification (ECHA Annex VI) and no CIR or SCCS safety opinion indicating reproductive hazard. PubChem and peer-reviewed literature do not report developmental or reproductive toxicity for topical exposure to magnesium hydroxide; systemic exposure from cosmetic topical use is negligible.
Is magnesium hydroxide safe while breastfeeding?
No evidence of reproductive or lactation-specific toxicity and no harmonised classification. Given negligible dermal absorption from cosmetic use, transfer into breastmilk is not expected (supported by general toxicokinetic profiles in PubChem and absence of hazard statements in ECHA/CIR).
Is magnesium hydroxide safe for baby skin?
No evidence of infant-specific reproductive or developmental hazard. Dermal absorption of magnesium hydroxide from cosmetic formulations is considered negligible for adults; however, because infant skin can be more permeable, a small increase in exposure rating is applied (e=1) despite no indication of systemic toxicity in the literature or regulatory databases.
How does VeriMom score magnesium hydroxide?
VeriMom scores magnesium 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 magnesium hydroxide?
See our curated list of pregnancy-safe alternatives to magnesium 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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