VeriMomIs polyester-4 safe for baby skin?
Reviewed by VeriMom Editorial Team · Last reviewed
Baby skin
polyester-4
NO KNOWN RISKS93
/100
Also relevant: pregnancy safety
Want to know if polyester-4 is also safe during pregnancy?
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Sources & references
Authoritative references used to score this ingredient.
Ingredients — Pregnancy-Safe Ingredients Database — 28,000+ Ingredients Rated
See also
Frequently asked questions
- Is polyester-4 safe for baby skin?
- No infant-specific toxicity or dermal developmental findings were identified. Polyester‑4 is used as a film‑forming/emollient polymer in color cosmetics (lipsticks, mascaras) and is likely to have very low dermal absorption in adults; per the scoring rules, because adult absorption is negligible but not proven to be zero, increase exposure by +1 for infants (immature barrier and higher surface‑area:weight). Hazard and mechanism scores remain 0 in absence of any reproductive/developmental data. (Sources: cosmetic ingredient/supplier pages; example formulation showing use in lipstick).
- Is polyester-4 safe for newborns?
- No infant-specific toxicity or dermal developmental findings were identified. Polyester‑4 is used as a film‑forming/emollient polymer in color cosmetics (lipsticks, mascaras) and is likely to have very low dermal absorption in adults; per the scoring rules, because adult absorption is negligible but not proven to be zero, increase exposure by +1 for infants (immature barrier and higher surface‑area:weight). Hazard and mechanism scores remain 0 in absence of any reproductive/developmental data. (Sources: cosmetic ingredient/supplier pages; example formulation showing use in lipstick).
- Can I use polyester-4 on a baby under 6 months?
- We don't have baby-skin-specific data for polyester-4. Stick to ingredients we've marked no known risks for babies until more evidence is available.
- What are safer alternatives to polyester-4 for babies?
- See our curated list of pregnancy-safe alternatives to polyester-4 based on similar function and a no-known-risks safety band.
- How does VeriMom rate polyester-4 for baby skin?
- VeriMom scores polyester-4 at 93/100 (no known risks) based on EU CosIng status, ECHA hazard classifications, and peer-reviewed PubMed studies. Our scoring pipeline is fully transparent.
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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.