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5

Ingredient · Preservative

Disodium edta

Mixed · 5/10, higher is cleaner

How we reached this

Chelating agent that binds metal ions; stabilizes formulations + boosts preservative efficacy. EWG hazard moderate (2-3) due to penetration-enhancer effect — can increase the absorption of other ingredients. FDA permits at trace levels; EU REACH compliant.

Sources · 1

Products containing this · 6

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.