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Ingredient · Structural polymer

Polyester

Mixed · 6/10, higher is cleaner

How we reached this

Synthetic textile fiber. Not dermally absorbed. Environmental concern: laundering releases microfibers documented in marine + drinking-water sampling (Browne et al., Environ Sci Technol 2011). For diapers/wipes, the dermal exposure pathway is low.

Sources · 1

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 2026-05-25.