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6

Ingredient · Structural polymer

Polyethylene

Mixed · 6/10, higher is cleaner

How we reached this

Plastic film used in diaper backsheets. Inert at the dermal interface. Environmental concern: not biodegradable, contributes to disposable-diaper landfill burden (~3.5M tons/yr in US).

Sources · 1

Products containing this · 3

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 2026-05-25.