A chelating agent.
What it is
Tetrasodium etidronate is a salt of etidronic acid. It binds metal ions, helping keep formulas stable and clear.
Where it is used
Found in soaps, shampoos and cleansers.
Limits of interpretation
The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.
Functions
- Chelating
- Forming complexes with metal ions which could affect the stability and/or appearance of cosmetics.
- Emulsion stabilising
- Helping the process of emulsification and improving emulsion stability and shelf-life.
- Viscosity controlling
- Increasing or decreasing the viscosity (thickness) of cosmetics.
EU regulation
EU · Annex III, entry 53(1-Hydroxyethylidene)diphosphonic acid and its salts
- Product type
- (a) Hair product (b) Soap
- Maximum concentration
- (a) 1.5% (as etidronic acid) (b) 0.2% (as etidronic acid)
- As of
- 3 November 2026 · (EC) 2009/1223
Products with this ingredient (116)
- Deluxe Beauty Soap · Tibet
- Original Beauty Cream Bar · Dove
- Shea Butter Beauty Cream Bar · Dove
- Cucumber Beauty Cream Bar · Dove
- Sensitive Beauty Cream Bar · Dove
- RELAXING LAVENDER beauty bar · Dove
- GO FRESH OIL CONTROL beauty bar · Dove
- Mydło w kostce Creme Care · Nivea
- LaQ Mydło dla facetów w kostce WILD BOAR 85 g – anglojęzyczna wersja Dzikusa z Lasu · LaQ
- LaQ Mydło dla facetów w kostce SEX & BUSINESS SCENT 85g – anglojęzyczna wersja Zapach Seksu i Biznesu · LaQ
- LaQ Mydło dla facetów w kostce HOPPY GOAT 85g – anglojęzyczna wersja KOZIOŁA · LaQ
- LaQ Mydło dla facetów w kostce LYNX 85 g – anglojęzyczna wersja Ryszarda z Bieszczad · LaQ