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Is nylon-12 safe during pregnancy?

Reviewed by · Last reviewed

Pregnancy-Safe Ingredients Database — 28,000+ Ingredients Rated
nylon-12
NO KNOWN RISKS
100
/100
0

Pregnancy-safe products containing nylon-12

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Sources & references

Authoritative references used to score this ingredient.

Frequently asked questions

Is nylon-12 safe during pregnancy?
Authoritative cosmetic-review and regulatory sources do not list a harmonised reproductive hazard for Nylon‑12 (CAS 25038‑74‑8) and the Cosmetic Ingredient Review (CIR) found no convincing reproductive/developmental hazard information for the polymer itself, noting data gaps but concluding no evidence to classify. ECHA’s substance page shows C&L inventory entries but no harmonised CLP reproductive classification (no H360/H361). Polymers of this size are not expected to penetrate intact adult skin to a degree that would produce systemic reproductive exposure. ([cir-safety.org](https://www.cir-safety.org/sites/default/files/nylon.pdf))
Is nylon-12 safe while breastfeeding?
Same rationale as pregnancy: no harmonised reproductive classification, no published evidence of reproductive or lactation toxicity for the polymer, and dermal absorption from topical cosmetic use is expected to be negligible for the polymer itself, so systemic exposure sufficient to affect breast milk is not supported by available authoritative sources. ([cir-safety.org](https://www.cir-safety.org/sites/default/files/nylon.pdf))
Is nylon-12 safe for baby skin?
Hazard and mechanism scores remain 0 because there are no data showing reproductive/developmental or mechanistic concerns for the polymer. Exposure is increased by +1 for infants (set to 1) because CIR and other sources note that the polymer is a particulate/polymeric material with negligible adult dermal penetration but infant skin has a higher surface‑area‑to‑weight ratio and an immature barrier, so measurable absorption risk is higher than adults even if still low. No infant‑specific toxicity data were found. ([cir-safety.org](https://www.cir-safety.org/sites/default/files/nylon.pdf))
How does VeriMom score nylon-12?
VeriMom scores nylon-12 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 nylon-12?
See our curated list of pregnancy-safe alternatives to nylon-12 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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