The ingredient, explained

Tetrasodium EDTA

A published expert safety assessment covers the exact ingredient in the specified exposure context.

Ingredient guide

What it is and what it does

Tetrasodium EDTA is a salt of EDTA and a chelating ingredient. It binds metal ions that could otherwise affect the stability or appearance of the formula.

About this ingredient: Health Canada: EDTA and its salts ↗ · European Commission ingredient function definitions ↗

A verified formulation role is not on file for this name.

Registry functions describe possible formulation roles, not results for a finished product. A dictionary entry is not an approval or a safety assessment.

A closer look

What the research shows

Safety assessment

Panel judged listed EDTA ingredients safe in the cosmetic uses assessed.

What this does not tell us

Safety review uses group data; dated uses and concentrations apply. Chelation may increase penetration of other formulation chemicals. No benefit efficacy claim.

Sources for this summary. PubMed 12396676 ↗

Research review checked Oct 1, 2026

Bounded review of local candidates, exact-name indexed primary journal/PubMed safety and topical searches; not a systematic review.

Ingredient research is not proof that a product containing this ingredient works.