Steareth-21

Cleanses and foams.

What it is

An ingredient made in a lab by joining stearyl alcohol, a fatty alcohol, to a synthetic polymer chain.

Helps oil and water blend into a stable mixture and helps wash away dirt and oil.

A short summary from the dictionary, not yet an in-depth article. About these entries

Cleanses and foamsOfficial EU function: Surfactant - cleansing

Helps oil and water mixOfficial EU function: Surfactant - emulsifying