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Is silica safe during pregnancy?

Reviewed by · Last reviewed

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

Pregnancy-safe products containing silica

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Authoritative references used to score this ingredient.

Frequently asked questions

Is silica safe during pregnancy?
Silica (silicon dioxide, CAS 7631-86-9) has no harmonised reproductive hazard classification in ECHA Annex VI and there is no credible evidence in regulatory sources that it causes reproductive or developmental toxicity following dermal cosmetic use. Aggregated PubChem GHS notifications list several hazard codes (user-provided), but these are not harmonised classifications and largely reflect inhalation/particle concerns for respirable crystalline forms rather than systemic reproductive effects; dermal absorption from cosmetic use is negligible (ECHA registration dossiers / CosIng information).
Is silica safe while breastfeeding?
No evidence that topical silica transfers into breastmilk or causes reproductive/lactation toxicity. Silica is particulate and not systemically bioavailable when used in typical cosmetic formulations, so maternal dermal use is not expected to pose a risk to a breastfed infant (supported by lack of harmonised CLP reproductive flags and ECHA dossier context).
Is silica safe for baby skin?
For infants 0–3 years, there is no specific evidence of reproductive or systemic toxicity from topical silica. Dermal absorption of non-nano amorphous silica is negligible; therefore exposure via baby skin is expected to be negligible. (Note: inhalation of respirable crystalline silica is a separate occupational hazard and is not relevant to normal topical cosmetic use.)
How does VeriMom score silica?
VeriMom scores silica 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 silica?
See our curated list of pregnancy-safe alternatives to silica 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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