Tetrasodium EDTA

One of the most common synthetic chelators. It can reduce the 'hardness' of water and so is often used in rinse-off products.
Functions
Origin
Tetrasodium EDTA

Overview

Tetrasodium EDTA can be in any kind of product, but it’s especially common in rinse-off products because it can capture metals that cause "hard" water.

EDTA is a great chelator, but it has been noted to have some bio-accumulation issues in the environment.