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Ingredient · Structural polymer

Polyethylene (PE) Film

Mixed · 6/10, higher is cleaner

How we reached this

Inert plastic used as the waterproof backsheet in disposable diapers. FDA-permitted food-contact polymer. No dermal-toxicity signal at intact-skin contact. Same mid-tier rating as polypropylene for single-use plastic disposal + microplastic concerns.

Sources · 1

  • FDA 21 CFR 177.1520 — Olefin Polymers

Also listed as

PE filmpolyethylene

Products containing this · 4

About this rating

Ratings run 1–10, higher is cleaner, and are set editorially against the sources above — see the methodology page for how an ingredient rating becomes part of a product score. Last reviewed 2026-05-24.