It has a chelating effect by binding metal ions.
Tetrasodium EDTA (ethylenediaminetetraacetic acid tetrasodium salt)
It stabilises and preserves cosmetics and personal care.
EDTA has a tendency to increase pH, use in concentrations of 0.1-0.5%
It is a co-preservative and stabilised emulsions, surfactants and foaming. It enhances foam builders.