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Is polyphenylsilsesquioxane safe during pregnancy?

Reviewed by · Last reviewed

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

Pregnancy-safe products containing polyphenylsilsesquioxane

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Authoritative references used to score this ingredient.

Frequently asked questions

Is polyphenylsilsesquioxane safe during pregnancy?
No harmonised CLP reproductive classifications (H360/H361) or CIR/SCCS safety assessments located for poly(phenylsilsesquioxane) (CAS 70131-69-0). Available substance pages and supplier safety data sheets list general acute/inhalation hazards but provide no reproductive or developmental data; therefore default scoring is used. (ECHA substance page; supplier SDS).
Is polyphenylsilsesquioxane safe while breastfeeding?
No data indicating reproductive or lactation-specific hazards or milk transfer; no SCCS/CIR opinions or peer‑reviewed studies showing effects relevant to breastfeeding were found. Exposure from topical cosmetic use is expected to be negligible. (ECHA; supplier SDS; PubMed search returned no reproductive/lactation studies).
Is polyphenylsilsesquioxane safe for baby skin?
No infant-specific hazard or mechanistic data were found. As a high–molecular-weight film‑forming/occlusive silsesquioxane polymer with no demonstrated reproductive toxicity, hazard and mechanism scores remain 0; exposure is increased by +1 for infant skin because baby skin has an immature barrier and the ingredient is not demonstrated to be completely non‑absorbable. (Supplier/product descriptions; general ingredient properties).
How does VeriMom score polyphenylsilsesquioxane?
VeriMom scores polyphenylsilsesquioxane 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 polyphenylsilsesquioxane?
See our curated list of pregnancy-safe alternatives to polyphenylsilsesquioxane 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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