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6

Ingredient · Oil

Iso-Eicosane

Mixed · 6/10, higher is cleaner

How we reached this

Synthetic emollient hydrocarbon used in sunscreens for smooth application. EWG Skin Deep hazard 1. Petrochemical-derived; environmental lifecycle concern rather than acute safety.

Sources · 1

Also listed as

isoeicosane

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.