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We never blend a score that hides who disagrees. Funding model travels with every rating. Weights are computed at read time and never stored.

Cosmetics only · lead with safetyProduct data from public sources incl. Open Beauty Facts & EWG Skin Deep · their ratings never scraped or shown

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Catalog/Ingredient/polybutylene terephtalate

Ingredient profile

polybutylene terephtalate

Our sources have no reference data on this ingredient — a gap in our data, never a verdict.

Where each list lands

Funding shown

Safe
Greenlens Ingredient Scan
Independent
No EU-regulated hazard recognized for this ingredient.
Safe
Greenlens Precautionary Screen
Independent
No listed hazard trait recognized for this ingredient.
Safe
Greenlens Tolerance Screen
Independent
No prohibited or high-risk classification for this ingredient.

Also screened — not on these lists

Health Canada Ingredient Hotlist
California Proposition 65
US NTP Report on Carcinogens
IARC Monographs
ANSES Endocrine Disruptors
EU Microplastics Restriction
EU Harmonised Classification (CLP Annex VI)

Found in 1 product

L'OréalExpress finish shock control 19 Rose douxsafety 90

polybutylene terephtalate — ingredient profile — Greenlens | Greenlens