Is polyethylene terephthalate safe during pregnancy?
Reviewed by VeriMom Editorial Team · Last reviewed
Pregnancy-Safe Ingredients Database — 28,000+ Ingredients Rated
polyethylene terephthalate
NO KNOWN RISKS100
/100
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Pregnancy-safe products containing polyethylene terephthalate

Nyx
NYX Epic Wear Eyeliner Stick
100/100

Pink 21
Spotlight Glitter
100/100

Milk Makeup
Milk Makeup Glow Oil Lip + Cheek
100/100

Holika Holika
Holika Holika Ac Mild Yellow Spot Patches
100/100

Milucca
Milucca Let It Glow Metal Mask
100/100

Nyx
NYX Epic Wear
100/100
serums
Estée Lauder
Pure Color Envy Batom Mate - Rouge à Lèvres - 550 Mind Game (3,5 g)
99/100

Becca Cosmetics
Becca Cosmetics Luminous Blush
99/100

Becca
Becca Shimmering Skin Perfector Pressed Highlighter
99/100

goodmark
hip hair color
99/100
Related ingredients
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Sources & references
Authoritative references used to score this ingredient.
Frequently asked questions
- Is polyethylene terephthalate safe during pregnancy?
- Authoritative cosmetic safety review by the Cosmetic Ingredient Review (CIR) concluded modified terephthalate polymers including polyethylene terephthalate (PET) are safe as used in cosmetics; ECHA lists PET as a polymer substance but there is no harmonised CLP reproductive classification (no H360/H361) for this substance. No peer‑reviewed human teratogenic or developmental-reproductive effects for PET as used in cosmetics were identified; systemic exposure from topical application of a high-molecular-weight polymer like PET is negligible. (CIR 2016; ECHA substance information; PubMed literature searches).
- Is polyethylene terephthalate safe while breastfeeding?
- Same rationale as pregnancy: no harmonised reproductive or lactation hazard classification, CIR safety assessment found PET appropriate for cosmetic use, and the polymer’s high molecular weight and inert polymeric form make systemic uptake from topical use unlikely, so transfer via breast milk is not supported by evidence.
- Is polyethylene terephthalate safe for baby skin?
- PET is a high‑molecular‑weight polymer (commonly used as solid film/glitter/particles) with negligible dermal absorption in its polymeric form; CIR assessed terephthalate polymers for cosmetic use including leave‑on products and did not identify developmental hazards. Note: concerns about PET are mainly environmental (microplastics) and ingestion of microplastic particles has been reported in infants in fecal studies, but that is different exposure route than topical cosmetic use on infant skin.
- How does VeriMom score polyethylene terephthalate?
- VeriMom scores polyethylene terephthalate 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 polyethylene terephthalate?
- See our curated list of pregnancy-safe alternatives to polyethylene terephthalate 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.