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Ingredient · Structural polymer

Polypropylene (Nonwoven Fabric)

Mixed · 6/10, higher is cleaner

How we reached this

Inert plastic used as the topsheet, leg cuffs, and backsheet in disposable diapers + wipes. FDA-permitted food-contact polymer; large polymer not bioavailable. No known dermal-toxicity signal at intact-skin contact. Mid-rated for single-use plastic + microplastic shedding into wastewater + landfills.

Sources · 2

  • FDA 21 CFR 177.1520 — Olefin Polymers
  • EWG Skin Deep — Polypropylene

Also listed as

PP nonwovenPolypropylenepolypropylenespunbond polypropylene

Products containing this · 8

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.