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8

Ingredient · Emulsifier

Stearic Acid

Cleaner · 8/10, higher is cleaner

How we reached this

Plant- or animal-derived fatty acid; emulsifier + texture agent in lotions + creams. FDA + EFSA GRAS. Long safety record. EWG low-hazard.

Sources · 1

  • EWG Skin Deep — Stearic Acid

Also listed as

octadecanoic acid

Products containing this · 2

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.