The Index · Chelating agent
Disodium EDTA
Disodium EDTA
Chelator that binds metal ions to protect formulas and boost preservatives.
FunctionalFunctional ingredient, not graded for skin benefits
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Chelator that binds metal ions to protect formulas and boost preservatives.
What it does
Improves stability of emulsions and antioxidant systems; not a skincare “active.”
The evidence
Functional ingredient (not graded for skin benefits): CIR EDTA salts; widely used processing aid. Credible chemical identity and cosmetic-use context come from CIR/SCCS/manufacturer INCI definitions and databases such as SpecialChem/PubChem[1].
How to use it
Expect this as a supporting INCI line item unless labeled as a featured active.
What it does in the formula
Functional ingredient — not graded for skin benefits
Chelator that binds metal ions to protect formulas and boost preservatives.[1]
Safety & limits
Source and region, always
all — Used in cosmetics within conventional leave-on/rinse-off levels; see cited safety literature.[1] CA US EU UK
Sources · 2
Numbered as cited in the text
- [1]Cosmetic Ingredient Review. EDTA and salts. CIR (2012)regulator
- [2]SpecialChem. SpecialChem INCI profile: Disodium EDTA. SpecialChem (2024)other
Revision history
18 Sept 2026Drafted by botTheSkindex Desk